Here is my weekly weather quiz question for the last time. What is a “Bow Echo?” Here is the correct answer.  ABow Echo is a radar echo which is linear but bent outward in a bow shape. Damaging straight-line winds often occur near the “crest” or center of a bow echo. Areas of circulation also can develop at either end of a bow echo, which sometimes can lead to tornado formation – especially in the left (usually northern) end, where the circulation exhibits cyclonic rotation. I’ll have a new weekly weather quiz question for you starting Monday. The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

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An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) is slowly moving away from the Willamette Valley allowing daytime heating to increase, but another trough is close behind and will help push the next frontal system over Oregon bringing cooler temperatures and much needed rain. As a result the smoke has returned to the southern Willamette Valley and will retreat again with the rainy weather. The graphics for days 1-3 show the frontal system approaching the coast Sunday morning. The graphics for days 3-7 show that frontal system after it pushed through the Pacific Northwest.

Note: The Autumnal Equinox officially ushers in the the season of Autumn next Friday September 22nd at 1:02 PM.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 81 in the Moderate category measuring Particulate Matter.

Oakridge: The Air Quality Index is 165 in the Unhealthy category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 99 in the Moderate category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

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Advisories:

• A  FREEZE WARNING IS IN EFFECT FROM 2 AM UNTIL 8 AM SATURDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN CENTRAL AND EASTERN LAKE COUNTY.
• A  FROST ADVISORY IS IN EFFECT FROM 2 AM UNTIL 8 AM SATURDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN CENTRAL AND EASTERN LAKE COUNTY.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 6 PM SUNDAY FOR LANE COUNTY.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM MONDAY FOR HOOD RIVER COUNTY AND WASCO COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

________________

Your College Football Forecast:

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Mostly cloudy, 62 degrees and cooling as the game progresses, breezy – wind WSW to 20 mph.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Mostly sunny, 62 degrees warming to 66 degrees, then slow cooling toward the end of the game, wind ESE 10 mph.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Partly cloudy with areas of smoke late tonight,
• Partly cloudy and a bit cooler with areas of smoke Saturday and Saturday night,
• Patchy AM smoke, mostly cloudy with rain likely (70%) and a bit cooler Sunday afternoon (under 0.10 in. of rain possible), rain at night (0.15 in. of rain possible),
• Mostly cloudy with showers and a bit cooler Monday and Monday night.
• lows 48-52 highs 78-63.
• Mostly cloudy with AM showers likely (60%), a good (50%) chance of showers and a bit warmer Tuesday afternoon and at night,
• Mostly cloudy with a (40%) chance of showers Wednesday, a (30%) chance of showers Wednesday night,
• A mix of clouds and sun and a bit warmer with a (30%) chance of showers Thursday, mostly cloudy with a (%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late Thursday night,
• A slight (20%) chance of AM showers, then a mix of clouds and sun Friday afternoon.
• highs 63-68 lows near 50. (seasonal averages high 77 low 47)

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Forecast for Roseburg:

• Clear this evening, partly cloudy with patchy smoke late tonight,
• Partly cloudy with patchy smoke and a bit cooler Saturday and Saturday night,
• Mostly cloudy with patchy AM smoke, a bit cooler with a (30%) chance of rain Sunday afternoon, rain at night (0.15 in. of rain possible),
• Mostly cloudy with AM showers likely (70%), showers and a bit cooler Monday afternoon and Monday night.
• lows 50-52 cooling back to 50 Monday night highs 82-63.
• Mostly cloudy with AM showers, a good (50%) chance of showers in the afternoon through Wednesday night,
• Mostly cloudy and a bit warmer with a (30%) chance of showers Thursday, a slight (20%) chance of showers at night and Friday AM, just mostly cloudy Friday afternoon.
• highs 66-64 warming to 72 Friday lows 52-46. (seasonal averages high 79 low 52)

 

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly clear this evening, becoming mostly cloudy late tonight and Saturday AM, partly cloudy and a bit cooler Saturday afternoon and evening, mostly cloudy late Saturday night,
• Mostly cloudy with a (30%) chance of rain and a bit warmer Sunday afternoon (under 0.10 in. of rain possible), rain Sunday night (0.15 in. of rain possible),
• Cloudy with a good (50%) chance of AM showers, showers and cooler Monday afternoon and at night.
• lows 52-50 highs 62-64 cooling back to 62 Monday.
• Mostly cloudy with AM showers, a bit warmer with a good (50%) chance of showers Tuesday afternoon, mostly cloudy with a (40%) chance of showers Tuesday night through Thursday, a slight (20%) chance of showers Thursday night,
• Mostly cloudy Friday with a slight (20%) chance of AM showers in the afternoon.
• highs 63-60 warming to 65 Friday lows 52-48. (seasonal averages high 65 low 50)

________________

Forecast for the Cascades in Lane County:

• Mostly clear with areas of smoke tonight,
• AM sun, partly cloudy and a bit warmer with areas of smoke Saturday afternoon, mostly cloudy with areas of evening smoke, partly cloudy with areas of smoke late Saturday night,
• A mix of clouds and sun with areas of AM smoke, a bit cooler with a good (50%) chance of rain Sunday afternoon, evening rain, rain and snow late Sunday night,
• Showers Monday AM, cooler with rain and snow showers in the afternoon and Monday night.
• free air freezing level 11,000 ft. tonight through Saturday night, snow level above 8,000 ft. Sunday and Sunday night, 6,000 ft. Monday, then 5,000 ft. Monday night.
• highs 65-44 lows 42-34.
• Mostly cloudy with rain and snow showers Tuesday AM, mostly cloudy with a good (50%) chance of showers in the afternoon and Tuesday night,
• Mostly cloudy with a good (50%) chance of showers and a bit warmer Wednesday through Thursday, a  (30%) chance of evening showers, party cloudy with a slight (20%) chance of showers at night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Friday.
• snow level 5,000 ft. Tuesday, 6,000 ft. Tuesday night and Wednesday, 6,500 ft. falling to 5,000 ft. late Wednesday night, 5,000 ft. Thursday, 5,500 ft. Thursday night, then 6,500 ft. rising to 7,500 ft. Friday afternoon.
• highs 44-54 lows 34-36.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) returns marine airflow to the Willamette Valley for a while cooling us down. We warm a bit more today, but the smoke has returned to the southern Willamette Valley. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest Sunday into Monday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 184 in the Unhealthy category measuring Particulate Matter.

Oakridge: The Air Quality Index is 52 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 41 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

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Advisories:

• A  FREEZE WARNING IS IN EFFECT FROM 2 AM UNTIL 8 AM SATURDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN CENTRAL AND EASTERN LAKE COUNTY.
• A  FROST ADVISORY IS IN EFFECT FROM 2 AM UNTIL 8 AM SATURDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN CENTRAL AND EASTERN LAKE COUNTY.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM TODAY FOR WASCO COUNTY AND BENTON COUNTY .
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

________________

Your College Football Forecast:

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Partly cloudy, 62 degrees and cooling as the game progresses, breezy – wind WSW 20 mph.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Mostly sunny, 62 degrees warming to 66 degrees, then slow cooling toward the end of the game, wind ESE 10 mph.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Sunny and a bit warmer with patchy smoke this afternoon, clear this evening, partly cloudy with patchy smoke late tonight,
• Partly cloudy and a bit cooler with patchy smoke Saturday, mostly cloudy Saturday night,
• Mostly cloudy with rain likely (70%) and a bit cooler Sunday afternoon, then rain at night.
• highs 80-72 lows 48-52.
• Cloudy with showers and a bit cooler Monday and Monday night,
• Mostly cloudy with AM showers likely (60%), a good (50%) chance of showers and a bit warmer Tuesday afternoon, mostly cloudy with a good (50%) chance of showers at night,
• A mix of clouds and sun with a (40%) chance of showers Wednesday, a (30%) chance of showers Wednesday night,
• Then a mix of clouds and sun and a bit warmer with a (30%) chance of showers Thursday.
• highs 62-69 lows near 50. (seasonal averages high 78 low 47)

________________

 

Forecast for Roseburg:

• Sunny and a bit warmer with patchy smoke this afternoon, mostly clear with patchy smoke late tonight,
• Partly cloudy with patchy AM smoke, mostly cloudy and a bit cooler Saturday afternoon, partly cloudy late Saturday night,
• Mostly cloudy and a bit cooler with a (40%) chance of rain Sunday afternoon, evening rain likely (70%), then rain late at night.
• highs 80-82 cooling to 72Sunday night lows 50-52.
• Mostly cloudy with showers and a bit cooler Monday and Monday night,
• Cloudy with showers Tuesday AM, a good (50%) chance of showers in the afternoon and at night,
• Mostly cloudy with a (40%) chance of showers Wednesday and Wednesday night,
• Then mostly cloudy and a bit warmer with a (30%) chance of showers Thursday.
• highs 63-68 cooling to 66 Wednesday warming to 70 Thursday lows 48-50 cooling back to 48 Wednesday night. (seasonal averages high 79 low 52)

 

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Sunny and a bit warmer this afternoon, clear this evening, becoming mostly cloudy late tonight,
• Mostly cloudy and a bit cooler Saturday, mostly clear in the evening, mostly cloudy late Saturday night,
• Mostly cloudy with a (40%) chance of rain and a bit warmer Sunday afternoon, rain Sunday night.
• highs 65-60 warming back to 65 Sunday lows 52-50.
• Mostly cloudy with showers and cooler Monday and at night,
• Cloudy with AM showers, a bit cooler with a good (50%) chance of showers Tuesday afternoon, mostly cloudy with evening showers likely (70%), a (30%) chance of showers Tuesday night,
• Then mostly cloudy with a (30%) chance of showers and a bit warmer Wednesday through Thursday.
• highs 62-65 lows 48-50 cooling back to 48 Wednesday night. (seasonal averages high 65 low 50)

________________

Forecast for the Cascades in Lane County:

• Sunny with areas of smoke and a bit warmer today, mostly clear with areas of smoke tonight,
• AM sun, a mix of clouds and sun and a bit warmer with areas of smoke Saturday afternoon, mostly cloudy with areas of evening smoke, partly cloudy with areas of smoke late Saturday night,
• A mix of clouds and sun and a bit cooler with a good (50%) chance of rain Sunday afternoon, evening rain, then rain and snow late Sunday night.
• free air freezing level 9,000 ft. this afternoon, 10,000 ft. rising to 11,000 ft. late tonight, 10,000 ft. Saturday and Saturday night, snow level above 8,000 ft. Sunday, then above 8,000 ft. falling to 6,500 ft. late Sunday night.
• highs 62-65 cooling to 60 Sunday lows 40-42 cooling back to 40 Sunday night.
• Showers Monday AM, cooler with rain and snow showers in the afternoon through Tuesday AM, showers likely (70%) in the afternoon and evening, a (40%) chance of showers late Tuesday night,
• Then mostly cloudy with a (40%) chance of showers and a bit warmer Wednesday, a (30%) chance of showers at night,
• Then mostly cloudy with a (30%) chance of showers Thursday.
• snow level 6,000 ft. falling to 5,500 ft. Monday, 5,500 ft. Monday night, 6,000 ft. Tuesday afternoon through Wednesday night, then 6,500 ft. Thursday.
• highs 46-52 lows 36-38.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) returns marine airflow to the Willamette Valley for a while cooling us down. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest Sunday into Monday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 40 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 24 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 42 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

__________________

Advisories:

• A FREEZE WARNING IS IN EFFECT FROM 2 AM UNTIL 8 PM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN CENTRAL AND EASTERN LAKE COUNTY.
• A FROST ADVISORY IS IN EFFECT FROM 2 AM UNTIL 8 AM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN CENTRAL AND EASTERN LAKE COUNTY.
• A  FREEZE WATCH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN CENTRAL AND EASTERN LAKE COUNTY.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM FRIDAY FOR WASCO COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

________________

Your College Football Forecast:

Saturday September 16th–

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Mostly cloudy, 62 degrees and cooling as the game progresses, wind WSW 15 mph.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Sunny and Hazy smoke, 62 degrees warming to 66 degrees, then slow cooling toward the end of the game, wind NE 10 mph.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Clear tonight,
• Sunny and a bit warmer Friday, clear in the evening, partly cloudy late at night,
• Partly cloudy and a bit cooler Saturday, mostly cloudy Saturday night,
• Mostly cloudy with a slight (20%) chance of AM rain, rain likely (70%) and a bit cooler Sunday afternoon,  rain Sunday night.
• lows 46-52 highs 80-72.
• Cloudy with showers and a bit cooler Monday and Monday night,
• AM showers, a mix of clouds and sun with a good (50%) chance of showers and a bit warmer Tuesday afternoon, mostly cloudy with a good (50%) chance of showers at night,
• A mix of clouds and sun with a (40%) chance of showers Wednesday, a (30%) chance of showers Wednesday night,
• Then a mix of clouds and sun and a bit warmer with a (30%) chance of showers Thursday.
• highs 62-69 lows near 50. (seasonal averages high 78 low 47)

________________

 

Forecast for Roseburg:

• Clear tonight,
• Sunny and a bit warmer with patchy smoke Friday, mostly clear with patchy smoke Friday night,
• Partly cloudy with patchy AM smoke, mostly cloudy and a bit cooler Saturday afternoon, mostly clear in the evening, partly cloudy late Saturday night,
• Mostly cloudy and a bit cooler with a (40%) chance of rain Sunday afternoon, then rain at night.
• lows 47-52 highs 80-74.
• Mostly cloudy with showers and a bit cooler Monday and Monday night,
• Cloudy with showers Tuesday AM, a good (50%) chance of showers in the afternoon and at night,
• Mostly cloudy with a (30%) chance of showers Wednesday and Wednesday night,
• Then mostly cloudy and a bit warmer with a (30%) chance of showers Thursday.
• highs 63-70 lows 48-52. (seasonal averages high 79 low 52)

 

_____________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Clear this evening at the shore and mostly cloudy late tonight while clear inland tonight,
• AM clouds and sunny and a bit warmer Friday afternoon at the shore while sunny inland all day, mostly clear in the evening, partly cloudy late at night,
• Mostly cloudy and a bit cooler Saturday, mostly clear in the evening, mostly cloudy Saturday night,
• Mostly cloudy with rain and a bit warmer Sunday afternoon and Sunday night.
• lows 49-52 highs 65-60 warming to 64 Sunday.
• Mostly cloudy with showers and cooler Monday and at night,
• Cloudy with AM showers, a bit cooler with a good (50%) chance of showers Tuesday afternoon, mostly cloudy with a (30%) chance of showers Tuesday night,
• Then mostly cloudy with a (30%) chance of showers and a bit warmer Wednesday through Thursday.
• highs 60-65 lows 50-52. (seasonal averages high 65 low 50)

________________

Forecast for the Cascades in Lane County:

• Clear with areas of smoke tonight,
• Mostly sunny with areas of smoke and a bit warmer Friday, mostly clear with areas of smoke at night,
• AM sun, a mix of clouds and sun and a bit warmer with areas of smoke Saturday afternoon, mostly cloudy with areas of evening smoke, partly cloudy with areas of smoke late Saturday night,
• A slight (20%) chance of AM rain, mostly cloudy and a bit cooler with a good (50%) chance of rain Sunday afternoon, evening rain, then rain and snow late Sunday night.
• free air freezing level 10,000 ft. falling to 9,000 ft. late tonight, 9,000 ft. rising to 10,000 ft. Friday, 10,000 ft. rising to 11,000 ft. late Friday night, 10,000 ft. Saturday, 11,000 ft. falling to 10,000 ft. Saturday night, snow level above 8,000 ft. Sunday, then above 8,000 ft. falling to 6,000 ft. late Sunday night.
• lows 36-42 cooling to 40 Sunday night highs 62-64 cooling to 60 Sunday.
• Showers Monday AM, cooler with rain and snow showers in the afternoon through Tuesday AM, showers likely (70%) in the afternoon and evening, a (40%) chance of showers late Tuesday night,
• Then mostly cloudy with a (40%) chance of showers and a bit warmer Wednesday through Thursday.
• snow level 6,000 ft. falling to 5,500 ft. Monday, 5,500 ft. rising to 6,000 ft. late Monday night, 6,000 ft. rising to 6,500 ft. Tuesday afternoon, then 6,500 ft. Tuesday night, 6,5000 ft. falling to 6,000 ft. Wednesday, 6,000 ft. rising to 6,500 ft. Wednesday night, then 6,500 ft. Thursday.
• highs 46-52 lows 36-38.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) returns marine airflow to the Willamette Valley for a while cooling us down. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest Monday night into Tuesday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 26 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 24 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 25 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

 

 

__________________

Advisories:

• A FREEZE WATCH IS IN EFFECT FROM 2 AM UNTIL 8 PM FRIDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN CENTRAL AND EASTERN LAKE COUNTY.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM FRIDAY FOR WASCO COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

________________

Your College Football Forecast:

Saturday September 16th–

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Partly cloudy, a slight chance of showers, 62 degrees and cooling as the game progresses, wind SW 15 mph.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Mostly sunny, 62 degrees warming to 66 degrees, then slow cooling toward the end of the game, wind ESE 10 mph.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly sunny this afternoon, mostly clear tonight,
• Mostly sunny and a bit warmer Friday, clear in the evening, partly cloudy at night,
• A mix of clouds and sun and a bit cooler Saturday, then mostly cloudy Saturday night.
• highs 78- 80 cooling to 77 Saturday lows 46-50.
• Mostly cloudy and a bit cooler Sunday with rain becoming likely (70%) in the afternoon and Sunday night,
• Cloudy with rain likely (70%) Monday AM, showers likely (70%) and a bit cooler in the afternoon and at night,
• Mostly cloudy with showers likely (70%) in the AM, a good (50%) chance of showers and a bit warmer Tuesday afternoon, mostly cloudy with a (40%) chance of showers at night,
• Then a mix of clouds and sun with a (30%) chance of showers Wednesday.
• highs 72-63 warming to 66 Wednesday lows 52-49. (seasonal averages high 78 low 47)

________________

 

Forecast for Roseburg:

• Sunny and a bit cooler this afternoon, clear tonight,
• Sunny and a bit warmer Friday, clear Friday night,
• Partly cloudy in the AM, mostly cloudy and a bit cooler  Saturday afternoon and Saturday night.
• highs 73-80 cooling to 73 Saturday lows 49-47 warming back to 49 Saturday night.
• Partly cloudy in the AM, mostly cloudy and a bit cooler with rain likely (70%) Sunday afternoon, evening rain with patchy smoke,  rain with patchy smoke late at night,
• Mostly cloudy with AM rain likely (70%), patchy smoke and a bit cooler with showers likely (60%) in the afternoon through Tuesday AM, a good (50%) chance of showers in the afternoon, a (40%) chance of showers at night,
• Then mostly cloudy with patchy smoke and a slight (20%) chance of showers Wednesday.
• highs 73-63 warming to 65 Tuesday and Wednesday lows 52-49. (seasonal averages high 79 low 52)

 

_____________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly sunny and a bit cooler this afternoon, partly cloudy in the evening at the shore and mostly cloudy late tonight while mostly clear inland tonight,
• AM clouds, sunny and a bit warmer Friday afternoon, mostly clear in the evening, partly cloudy late at night,
• Partly cloudy in the AM, mostly cloudy and a bit cooler Saturday afternoon and Saturday night.
• highs 63-65 cooling back to 63 Saturday lows 49-52.
• Mostly cloudy with rain likely (60%) and a bit warmer Sunday afternoon and Sunday night,
• Mostly cloudy with showers likely (70%) Monday through Tuesday AM, a bit cooler with a good (50%) chance of showers Tuesday afternoon, mostly cloudy with a (30%) chance of showers Tuesday night,
• Then mostly cloudy with a slight (20%) chance of showers and a bit warmer Wednesday.
• highs 64-60 warming back to 64Wednesday lows near 52. (seasonal averages high 65 low 50)

________________

Forecast for the Cascades in Lane County:

• Partly cloudy with areas of smoke and a bit cooler this afternoon, partly cloudy this evening,  clear with areas of smoke late tonight,
• Mostly sunny with areas of smoke and a bit warmer Friday, mostly clear with areas of smoke at night,
• A mix of clouds and sun and a bit warmer with areas of smoke Saturday, mostly cloudy with areas of evening smoke, then partly cloudy with areas of smoke late Saturday night.
• free air freezing level 10,000 ft. this afternoon, 10,000 ft. falling to 9,000 ft. late tonight, 9,000 ft. rising to 10,000 ft. Friday, 10,000 ft. rising to 11,000 ft. late Friday night, 10,000 ft. Saturday, then 11,000 ft. falling to 10,000 ft. Saturday night.
• highs 54-64 lows 36-42.
• Areas of AM smoke, a mix of clouds and sun and a bit cooler with rain Sunday afternoon and evening, rain and snow late Sunday night and Monday AM, a bit cooler with a rain and snow showers likely (70%) Monday afternoon and at night,
• Mostly cloudy with AM rain and snow showers likely (70%), a (40%) chance of rain and snow showers and a bit cooler Tuesday afternoon, a (40%) chance of showers Tuesday night,
• Then mostly cloudy with a (30%) chance of showers and a bit warmer Wednesday.
• free air freezing level 10,000 ft. Sunday AM, snow level above 8,000 ft. Sunday afternoon, 8,000 ft. falling to 6,000 ft. late Sunday night, 6,000 ft. falling to 5,500 ft. Monday, 5,500 ft. rising to 6,000 ft. late Monday night, 6,000 ft. rising to 6,500 ft. Tuesday afternoon, then 6,500 ft. Tuesday night and Wednesday.
• highs 62-48 warming to 50 Wednesday lows 42-36.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

The graphics for days 1-3 show the cold front that’s moving through Oregon today. An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) will return marine airflow to the Willamette Valley for a while cooling us down. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest Sunday night into Monday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 39 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 23 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 43 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

 

 

__________________

Advisories:

• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM FRIDAY FOR WASCO COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

________________

Your College Football Forecast:

Saturday September 16th–

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Partly cloudy, a slight chance of showers, 62 degrees and cooling as the game progresses, wind SW 15 mph.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Mostly sunny, 62 degrees warming to 66 degrees, then slow cooling toward the end of the game, wind ESE 10 mph.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Clear this evening, partly cloudy late tonight and Thursday AM, mostly sunny and a bit cooler in the afternoon, mostly clear Thursday night,
• Mostly sunny and a bit warmer Friday, partly cloudy at night,
• A mix of clouds and sun and a bit cooler Saturday, then mostly cloudy Saturday night.
• lows 48-46 warming back to 48 Saturday night highs 74-79 cooling to 77 Saturday.
• Mostly cloudy and a bit cooler Sunday with rain becoming likely (70%) in the afternoon and Sunday night,
• Cloudy with rain likely (70%) Monday AM, showers likely (70%) and a bit cooler in the afternoon and at night,
• Mostly cloudy with showers likely (70%), a good (50%) chance of showers and a bit warmer Tuesday afternoon, mostly cloudy with a (40%) chance of showers at night,
• Then a mix of clouds and sun with a (30%) chance of showers Wednesday.
• highs 76-63 warming to 66 Wednesday lows 52-49. (seasonal averages high 78 low 48)

________________

 

Forecast for Roseburg:

• Clear with patchy smoke this evening, mostly cloudy with patchy smoke late tonight,
• AM clouds, sunny and a bit cooler with patchy smoke Thursday afternoon, mostly clear with patchy smoke at night,
• Sunny with patchy smoke and a bit warmer Friday, mostly clear late Friday night,
• Then partly cloudy and a bit cooler  Saturday and Saturday night.
• lows 49-47 warming back to 49 Saturday night highs 79-72 warming back to 79 Friday.
• Partly cloudy in the AM, mostly cloudy and a bit cooler with rain likely (70%) Sunday afternoon, evening rain with patchy smoke,  rain with patchy smoke late at night,
• Mostly cloudy and a bit cooler with patchy smoke and showers Monday, showers likely (60%) with patchy smoke Monday night,
• Mostly cloudy with patchy smoke and AM showers likely (70%) Tuesday, a (30%) chance of showers at night,
• Then mostly cloudy with patchy smoke and a slight (20%) chance of showers Wednesday.
• highs 73-63 warming to 65 Wednesday lows 52-49. (seasonal averages high 80 low 52)

 

_____________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Clear this evening, mostly cloudy late tonight,
• Mostly cloudy and a bit cooler Thursday, mostly cloudy at the shore while mostly clear inland Thursday night,
• AM clouds, sunny and a bit warmer Friday afternoon, mostly clear in the evening, mostly cloudy late at night,
• Mostly cloudy and a bit cooler Saturday and in the evening, becoming mostly cloudy late Saturday night.
• lows 52-48 highs 63-65 cooling back to 63 Saturday.
• Mostly cloudy with rain likely (60%) and a bit warmer Sunday afternoon, showers and a bit cooler Sunday night and Monday, showers likely (70%) at night
• Mostly cloudy with AM showers likely (70%), a bit cooler with a good (50%) chance of showers Tuesday afternoon, mostly cloudy with a (30%) chance of showers Tuesday night,
• Then mostly cloudy with a slight (20%) chance of showers and a bit warmer Wednesday.
• highs 65-62 lows near 52. (seasonal averages high 65 low 51)

________________

Forecast for the Cascades in Lane County:

• Clear with areas of evening smoke, mostly cloudy and colder with areas of smoke late tonight,
• A mix of clouds and sun with areas of smoke and a (30%) chance of showers Thursday AM, mostly sunny with areas of smoke and a bit cooler with a slight (20%) chance of showers in the afternoon, mostly clear with areas of smoke late Thursday night,
• Mostly sunny with areas of smoke and a bit warmer Friday, partly cloudy with areas of smoke at night,
• A mix of clouds and sun and a bit warmer with areas of smoke Saturday, mostly cloudy with areas of evening smoke, then partly cloudy with areas of smoke late Saturday night.
• free air freezing level 13,000 ft. late tonight, snow level above 8,000 ft. Thursday AM, free air freezing level 10,000 ft. falling to 9,000 ft. late Thursday night, 9,000 ft. rising to 10,000 ft. Friday, 10,000 ft.  late Friday night, 11,000 ft.falling to 10,000 ft. Saturday, then 11,000 ft. falling to 10,000 ft. Saturday night.
• lows 39-36 warming to 42 Saturday night highs 54-64.
• Areas of AM smoke, a mix of clouds and sun and a bit cooler with rain Sunday afternoon and evening, rain and snow late Sunday night,
• Cloudy with AM rain and snow, a bit cooler with a rain and snow showers likely (70%) Monday afternoon and at night,
• Mostly cloudy with AM rain and snow showers likely (70%), a (40%) chance of rain and snow showers and a bit cooler Tuesday afternoon, a (40%) chance of showers Tuesday night,
• Then mostly cloudy with a (30%) chance of showers and a bit warmer Wednesday.
• free air freezing level 10,000 ft. Sunday AM, snow level above 8,000 ft. Sunday afternoon, above 8,000 ft. falling to 6,000 ft. late Sunday night, 6,000 ft. falling to 5,500 ft. Monday, 5,500 ft. rising to 6,000 ft. late Monday night, 6,000 ft. rising to 6,500 ft. Tuesday, then 6,500 ft. Tuesday night and Wednesday.
• highs 62-48 warming to 50 Wednesday lows 42-36.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

The graphics for days 1-3 show the cold front that’s moving through Oregon today. An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) will return marine airflow to the Willamette Valley for a while cooling us down. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest Sunday night into Monday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 24 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 30 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 24 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

 

 

__________________

Advisories:

• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM FRIDAY FOR HOOD RIVER COUNTY AND WASCO COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

________________

Your College Football Forecast:

Saturday September 16th– Preliminary forecasts:

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Partly cloudy, a slight chance of showers, 60 degrees and cooling as the game progresses, wind SW 15 mph.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Mostly sunny, 62 degrees warming to 68 degrees, then slow cooling toward the end of the game, wind ESE 10 mph.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly sunny and much cooler this afternoon, partly cloudy tonight,
• Partly cloudy in the AM, mostly sunny and a bit cooler Thursday afternoon, mostly clear Thursday night,
• Mostly sunny and a bit warmer Friday, then partly cloudy at night.
• highs near 76 lows 48-46 warming to 50 Friday night.
• Partly cloudy and a bit warmer Saturday and Saturday night,
• A mix of clouds and sun Sunday, increasing clouds to mostly cloudy with rain becoming likely (70%) in the afternoon and Sunday night,
• Cloudy with rain likely (70%) Monday and in the evening, a good (50%) chance of rain late Monday night,
• Then cloudy with a good (50%) chance of rain and a bit warmer Tuesday.
• highs 76-63 warming to 65 Tuesday lows 49-52. (seasonal averages high 78 low 48)

________________

 

Forecast for Roseburg:

• Sunny and much cooler with patchy smoke this afternoon, mostly clear with patchy smoke this evening, partly cloudy with patchy smoke late tonight,
• AM clouds, sunny and a bit cooler with patchy smoke Thursday afternoon, mostly clear with patchy smoke at night,
• Sunny with patchy smoke and a bit warmer Friday, then mostly clear with patchy evening smoke, then partly cloudy with patchy smoke late Friday night.
• highs 79-72 warming back to 79 Friday lows near 48.
• Partly cloudy with patchy smoke Saturday and Saturday night,
• Partly cloudy with patchy AM smoke, mostly cloudy and a bit cooler with patchy smoke and rain likely (70%) Sunday afternoon and at night,
• Mostly cloudy with patchy smoke and rain likely (70%) Monday AM, showers likely (70%) with patchy smoke and a bit cooler in the afternoon and evening, showers likely (60%) with patchy smoke late Monday night,
• Then mostly cloudy with patchy smoke and a (40%) chance of showers Tuesday.
• highs 80-65 warming to 67 Tuesday lows 50-53 cooling back to 50 Monday night. (seasonal averages high 80 low 52)

 

_____________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Sunny this afternoon, partly cloudy this evening, mostly cloudy late tonight and Thursday AM, partly cloudy and a bit cooler in the afternoon, mostly cloudy at the shore while mostly clear inland Thursday night,
• AM clouds, sunny and a bit warmer Friday afternoon, partly cloudy at night.
• highs 63-65 lows 52-48.
• Partly cloudy and a bit cooler Saturday and in the evening, becoming mostly cloudy late Saturday night,
• Mostly cloudy with rain likely (70%) and a bit warmer Sunday afternoon and Sunday night,
• Mostly cloudy with showers likely (60%) and a bit cooler Monday and at night
• Then mostly cloudy and a bit cooler with a good (50%) chance of showers Tuesday.
• highs 65-62 lows near 52. (seasonal averages high 65 low 51)

________________

Forecast for the Cascades in Lane County:

• Mostly sunny with areas of smoke and cooler this afternooon, partly cloudy with areas of evening smoke, mostly cloudy and colder with areas of smoke late tonight,
• A mix of clouds and sun with areas of smoke a slight (20%) chance of AM showers, mostly sunny with areas of smoke and a bit cooler Thursday afternoon, mostly clear with areas of smoke late at night,
• Mostly sunny with areas of smoke and a bit warmer Friday, partly cloudy with areas of smoke Friday night.
• free air freezing level 14,000 ft. this afternoon, 13,000 ft. late tonight, 10,000 ft. Thursday, then 10,000 ft. falling to 9,000 ft. late Thursday night, 9,000 ft. rising to 10,000 ft. Friday, then 10,000 ft. rising to 11,000 ft. late Friday night.
• highs 65-55 warming to 62 Friday lows 38-35 warming to 40 Friday night.
• AM sun with areas of smoke, partly cloudy and a bit warmer with areas of smoke Saturday afternoon and Saturday night,
• Areas of AM smoke, a mix of clouds and sun and a bit warmer with patchy smoke and a good (50%) chance of rain Sunday afternoon, mostly cloudy with patchy smoke and a (40%) chance of evening rain, patchy smoke with rain likely (70%) late Sunday night,
• Cloudy with AM rain likely (70%), a bit cooler with a good (50%) chance of rain with patchy smoke Monday afternoon, mostly cloudy with  good (50%) chance of rain at night,
• Then mostly cloudy with a (40%) chance of AM rain, then a (40%) chance of showers Tuesday afternoon.
• free air freezing level 11,000 ft. Saturday, 11,000 ft. falling to 10,000 ft. Saturday night and Sunday AM, snow level above 8,000 ft. Sunday afternoon, above 8,000 ft. falling to 7,500 ft. late Sunday night, 7,500 ft. falling to 6,500 ft. Monday, 6,000 ft. late Monday night, then rising to 6,500 ft. Tuesday.
• highs 63-48 lows 42-37.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

The graphics for days 1-3 show the cold front that’s moving through Oregon today. An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) will return marine airflow to the Willamette Valley for a while cooling us down. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest Sunday night into Monday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 44 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 87 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 42 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

 

 

__________________

Advisories:

• A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS UNTIL 8 PM TONIGHT FOR THE WESTERN KLAMATH NATIONAL FOREST, THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM WEDNESDAY FOR HOOD RIVER COUNTY AND WASCO COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

________________

Your College Football Forecast:

Saturday September 16th– Preliminary forecasts:

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Mostly cloudy, a 30% chance of showers, 60 degrees and cooling as the game progresses, wind WSW 18 mph.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Mostly sunny, 62 degrees warming to 67 degrees, then slow cooling toward the end of the game, wind ESE 10 mph.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Partly cloudy and a bit cooler tonight through Thursday night,
• Partly cloudy in the AM, mostly sunny and a bit warmer Friday afternoon, then partly cloudy Friday night.
• lows 50-46 warming back to 50 Friday night highs 75-73 warming back to 75 Friday.
• Partly cloudy and a bit warmer Saturday and Saturday night,
• A mix of clouds and sun Sunday with a good (50%) chance of afternoon rain, cloudy with a good (50%) chance of  evening rain, rain becoming likely (70%) late Sunday night,
• Mostly cloudy with rain likely (70%) Monday, rain likely (70%) in the evening, a good (50%) chance of rain late Monday night,
• Then cloudy with a good (50%) chance of rain and a bit warmer Tuesday.
• highs 76-63 warming to 75 Tuesday lows 49-52. (seasonal averages high 78 low 48)

________________

 

Forecast for Roseburg:

• Partly cloudy this evening, mostly clear with patchy smoke late tonight,
• Sunny and a bit cooler with patchy smoke Wednesday, mostly clear with patchy smoke in the evening, partly cloudy with patchy smoke late Wednesday night,
• Partly cloudy and a bit cooler with patchy smoke Thursday, mostly clear with patchy smoke at night,
• Sunny with patchy smoke and a bit warmer Friday, then mostly clear with patchy smoke Friday night.
• lows 55-48 highs 90-72.
• Mostly sunny with patchy smoke and a bit warmer Saturday, mostly clear with patchy smoke in the evening,  partly cloudy with patchy smoke Saturday night,
• Partly cloudy with patchy AM smoke, mostly cloudy and a bit warmer with patchy smoke and rain likely (70%) Sunday afternoon and at night,
• Mostly cloudy with patchy smoke and rain likely (70%) Monday AM, showers likely (70%) with patchy smoke and a bit cooler in the afternoon and evening, a (60%) chance of showers with patchy smoke late Monday night,
• Then mostly cloudy with patchy smoke and a (40%) chance of showers Tuesday.
• highs 78-67 lows 48-53. (seasonal averages high 80 low 52)

 

_____________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly clear this evening, partly cloudy late tonight,
• Partly cloudy in the AM, mostly sunny and a bit cooler Wednesday afternoon, partly cloudy in the evening, mostly cloudy late at night and Thursday AM, partly cloudy and a bit cooler in the afternoon, mostly cloudy at the shore while mostly clear inland Thursday night,
• Then partly cloudy and a bit cooler Friday and Friday night.
• lows 53-49 highs 66-63.
• Partly cloudy and a bit cooler Saturday and in the evening, becoming mostly cloudy with a slight (20%) chance of rain late Saturday night and Sunday AM, rain likely (70%) and a bit warmer in the afternoon and Sunday night,
• Mostly cloudy with showers likely (60%) and a bit cooler Monday and at night
• Then mostly cloudy with a good (50%) chance of showers Tuesday.
• highs 63-67 cooling back to 63 Monday lows 49-53. (seasonal averages high 65 low 51)

________________

Forecast for the Cascades in Lane County:

• Mostly clear with areas of smoke tonight,
• Partly cloudy with areas of smoke and cooler Wednesday, partly cloudy and colder with areas of smoke Wednesday night,
• Partly cloudy with areas of smoke and a bit cooler Thursday and at night,
• Mostly sunny with areas of smoke and a bit warmer Friday, partly cloudy with areas of smoke Friday night.
• free air freezing level 14,000 ft. tonight, 14,000 ft. falling to 13,000 ft. Wednesday afternoon, 13,000 ft. falling to 12,000 ft. Wednesday night, 9,000 ft. rising to 10,000 ft. Thursday, then 9,000 ft. rising to 10,000 ft. late Thursday night and Friday, then 10,000 ft. rising to 11,000 ft. Friday night.
• lows 48-35 highs 65-55 warming to 62 Friday.
• AM sun with areas of smoke, partly cloudy and a bit warmer with areas of smoke Saturday afternoon and Saturday night,
• Areas of AM smoke, a mix of clouds and sun and a bit warmer with patchy smoke and a good (50%) chance of rain Sunday afternoon, mostly cloudy with patchy smoke and a (40%) chance of evening rain, patchy smoke with rain likely (70%) late Sunday night,
• Cloudy with AM rain likely (70%), a bit cooler with a good (50%) chance of rain with patchy smoke Monday afternoon, mostly cloudy with  good (50%) chance of rain at night,
• Then mostly cloudy with a (40%) chance of rain Tuesday.
• free air freezing level 11,000 ft. Saturday, 11,000 ft. falling to 10,000 ft. Saturday night and Sunday AM, snow level above 8,000 ft. Sunday afternoon, above 7,000 ft. falling to 7,000 ft. late Sunday night, 7,500 ft. falling to 6,500 ft. Monday, then 6,000 ft. Monday night and Tuesday.
• highs 60-63 cooling to 55 Monday lows 40-44.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

A High Pressure Ridge (Shaded “Arch” shape with blue arrows) took over Sunday. The graphics for days 1-3 show the cold front that will be moving through Oregon today. An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) will return marine airflow to the Willamette Valley today. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest next Tuesday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 74 in the Moderate category measuring Particulate Matter.

Oakridge: The Air Quality Index is 65 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 73 in the Moderate category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

 

 

__________________

Advisories:

• A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS FROM 1 PM TODAY UNTIL 8 PM TONIGHT FOR THE WESTERN KLAMATH NATIONAL FOREST, THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM WEDNESDAY FOR HOOD RIVER COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

 

________________

Your College Football Forecast:

Saturday September 16th–

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Mostly cloudy, showers 58 degrees and cooling as the game progresses.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Partly cloudy 65 degrees warming to 69 degrees, then slow cooling toward the end of the game.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly sunny and a bit cooler with patchy smoke this afternoon, partly cloudy and a bit cooler tonight through Wednesday night,
• Partly cloudy and a bit cooler Thursday and in the evening, then mostly cloudy late at night.
• highs 85-72 lows 52-45.
• A mix of clouds and sun and a bit warmer Friday, partly cloudy and a bit warmer Friday night through Saturday night,
• Mostly cloudy Sunday with a good (50%) chance of afternoon and evening, rain becoming likely (70%) late Sunday night,
• Cloudy with AM rain likely (70%) Monday, then a bit cooler with a good (50%) chance of showers Monday afternoon.
• highs 74-67  lows 46-50. (seasonal averages high 78 low 48)

________________

 

Forecast for Roseburg:

• A slight (20%) chance of AM showers, sunny with patchy smoke and a bit cooler this afternoon, mostly clear with patchy smoke tonight,
• AM sun, partly cloudy and a bit cooler with patchy smoke Wednesday afternoon and Wednesday night,
• Then partly cloudy and a bit cooler with patchy smoke Thursday and at night.
• highs 90-72 lows 55-48.
• Partly cloudy with patchy smoke and a bit warmer Friday through Saturday night,
• Mostly cloudy and a bit warmer with patchy smoke and a (30%) chance of rain Sunday and at night,
• Mostly cloudy with a good (50%) chance of AM rain, then patchy smoke with a good (50%) chance of showers and a bit cooler Monday afternoon.
• highs 78-67 lows 48-53. (seasonal averages high 80 low 52)

 

_____________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Sunny and a bit cooler today, partly cloudy tonight,
• Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy late at night,
• Partly cloudy and a bit cooler Thursday and Thursday night.
• highs 66-63 lows 53-49.
• Partly cloudy and a bit cooler Friday through Saturday evening, becoming mostly cloudy with a slight (20%) chance of showers Saturday night and Sunday AM, a good (50%) chance of rain and a bit warmer in the afternoon, then cloudy with rain likely (60%) Sunday night and Monday (a bit cooler).
• highs 63-67 cooling back to 63 Monday lows 49-53. (seasonal averages high 65 low 51)

________________

Forecast for the Cascades in Lane County:

• Mostly sunny with areas of smoke this afternoon, partly cloudy and cooler with areas of smoke tonight and Wednesday, partly cloudy with areas of smoke and colder Wednesday night,
• Partly cloudy with areas of smoke and a bit cooler Thursday and at night.
• free air freezing level 14,000 ft. today and tonight, 13,000 ft. Wednesday, 12,000 ft. Wednesday night, 11,000 ft. falling to 9,000 ft. Thursday, then 9,000 ft. late Thursday night.
• highs 74-54 lows 47-35.
• Partly cloudy with areas of smoke and a bit warmer Friday through Saturday night,
• Areas of AM smoke, a mix of clouds and sun and a bit warmer with patchy smoke and a (40%) chance of rain Sunday afternoon, mostly cloudy with a (40%) chance of evening rain, patchy smoke with rain likely (70%) late Sunday night,
• Cloudy with AM rain likely (70%), then a bit cooler with a good (50%) chance of showers with patchy smoke Monday afternoon.
• free air freezing level 10,000 ft. Friday through Saturday, 11,000 ft. Saturday night and Sunday morning, snow level above 8,000 ft. Sunday afternoon and Sunday night, then above 8,000 ft. falling to 6,500 ft. Monday afternoon.
• highs 60-63 cooling to 55 Monday lows 40-44.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

A High Pressure Ridge (Shaded “Arch” shape with blue arrows) took over Sunday. The graphics for days 1-3 show the cold front that will be moving through Oregon Tuesday. An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) will return marine airflow to the Willamette Valley Tuesday. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest a week from Tuesday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 101 in the Unhealthy for Sensitive Groups category measuring Ozone.

Oakridge: The Air Quality Index is 91 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 97 in the Moderate category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

 

 

__________________

Advisories:

• A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS FROM 1 PM UNTIL 8 PM TUESDAY FOR THE WESTERN KLAMATH NATIONAL FOREST, THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM WEDNESDAY FOR HOOD RIVER COUNTY AND WASCO COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

________________

Your College Football Forecast:

Saturday September 16th–

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Mostly cloudy, showers 58 degrees and cooling as the game progresses.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Partly cloudy 65 degrees warming to 69 degrees, then slow cooling toward the end of the game.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Clear with areas of evening smoke, clear late tonight,
• Mostly sunny and a bit cooler with patchy smoke Tuesday, partly cloudy and a bit cooler Tuesday night through Wednesday evening, mostly cloudy late Wednesday night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, then mostly cloudy late at night.
• lows 54-45 highs 86-70.
• A mix of clouds and sun and a bit warmer Friday, partly cloudy and a bit warmer Friday night through Saturday night,
• A mix of clouds and sun Sunday with a good (50%) chance of rain in the afternoon, becoming mostly cloudy with a good (50%) chance of rain Sunday night and Monday AM, then mostly cloudy and a bit cooler with a good (50%) chance of showers Monday afternoon.
• highs 74-67  lows 46-50. (seasonal averages high 79 low 48)

________________

 

Forecast for Roseburg:

• Mostly clear with patchy smoke tonight,
• Sunny with patchy smoke and a bit cooler Tuesday, mostly clear with patchy smoke at night,
• AM sun, partly cloudy and a bit cooler with patchy smoke Wednesday afternoon and Wednesday night,
• Partly cloudy and a bit cooler with patchy smoke Thursday and at night.
• lows 60-48 highs 90-75.
• Partly cloudy with patchy smoke and a bit warmer Friday through Saturday night,
• Mostly cloudy and a bit warmer with patchy smoke and a (30%) chance of rain Sunday and at night,
• Mostly cloudy with a good (50%) chance of AM rain, then patchy smoke with a good (50%) chance of showers and a bit cooler Monday afternoon.
• highs 78-67 lows 48-53. (seasonal averages high 80 low 52)

 

_____________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly clear tonight,
• Sunny and a bit cooler Tuesday, mostly cloudy in the evening, mostly cloudy late Tuesday night,
• Partly cloudy and a bit cooler Wednesday and in the evening, mostly cloudy late at night,
• Partly cloudy and a bit cooler Thursday and Thursday night.
• lows 54-49 highs 66-64.
• Partly cloudy and a bit cooler Friday through Saturday evening, becoming mostly cloudy with a slight (20%) chance of showers Saturday night and Sunday AM, a good (50%) chance of rain and a bit warmer in the afternoon, then mostly cloudy with rain likely (60%) Sunday night and Monday (a bit cooler).
• highs 63-67 cooling back to 63 Monday lows 49-53. (seasonal averages high 65 low 51)

________________

Forecast for the Cascades in Lane County:

• Mostly clear with areas of smoke tonight,
• Mostly sunny with areas of smoke Tuesday, partly cloudy and cooler with areas of smoke Tuesday night and Wednesday, partly cloudy with areas of smoke and a slight (20%) chance of evening showers, partly cloudy and colder with areas of smoke late Wednesday night,
• Partly cloudy with areas of smoke and a bit cooler and a slight (20%) chance of showers Thursday afternoon and evening, then just partly cloudy with areas of smoke late Thursday night.
• free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. Tuesday and Tuesday night, 13,000 ft. falling to 12,000 ft. Wednesday, 11,000 ft. late Wednesday night and Thursday AM, then 9,000 ft. late Thursday night.
• lows 54-35 highs 74-54.
• Partly cloudy with areas of smoke and a bit warmer Friday through Saturday night,
• A mix of clouds and sun with areas of AM smoke, a mix of clouds and sun and a bit warmer with patchy smoke and a (40%) chance of rain Sunday afternoon and evening, patchy smoke with rain likely (70%) late Sunday night,
• Mostly cloudy with AM rain likely (70%), a bit cooler then a good (50%) chance of showers with patchy smoke Monday afternoon.
• free air freezing level 9,000 ft. rising to 10,000 ft. Friday afternoon, 10,000 ft. late Friday night and , Saturday, 10,000 ft. rising to 11,000 ft. Saturday night and Sunday morning, snow level above 8,000 ft. Sunday afternoon and at night, then 8,000 ft. falling to 7,000 ft. Monday.
• highs 60-63 cooling to 55 Monday lows 40-44.

 

________________

**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

________________

Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

________________

Here is my new weekly weather quiz question. What is a “Bow Echo?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

________________

 

A High Pressure Ridge (Shaded “Arch” shape with blue arrows) took over Sunday. The graphics for days 1-3 show the cold front that will be moving toward Oregon. An Upper Level Low Pressure Trough (Shaded “U” shape with blue arrows) will return marine airflow to the Willamette Valley Tuesday, but in the mean time we’re warming and the smoke has returned. The graphics for days 3-7 show a frontal system that will push through the Pacific Northwest Wednesday and another one that approaches the coast next Sunday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 67 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 55 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 54 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

 

 

__________________

Advisories:

• AN AIR QUALITY ALERT IS IN EFFECT UNTIL NOON TODAY FOR THE SOUTH CENTRAL OREGON COAST, THE CURRY COUNTY COAST, CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS, THE KLAMATH BASIN, THE NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM WEDNESDAY FOR HOOD RIVER COUNTY AND WASCO COUNTY.
• AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM TODAY FOR CROOK COUNTY, DESCHUTES COUNTY, GILLIAM COUNTY, GRANT COUNTY, JEFFERSON COUNTY, MORROW COUNTY, SHERMAN COUNTY, UMATILLA COUNTY, UNION COUNTY, WALLOWA COUNTY, WASCO COUNTY, AND WHEELER COUNTY.
• The Oregon Health Authority issued a Health Advisory for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• The Oregon Health Authority has updated the Health Advisory issued July 28 for Howard Bay (also known locally as Howards Bay or Howard’s Bay), located in the southwest corner of Upper Klamath Lake including Shoalwater Bay to the north and now all of Upper Klamath Lake. These areas of Upper Klamath Lake are located off Oregon Route 140, 15 miles west of Klamath Falls in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in Howard Bay. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Howard Bay and Shoalwater Bay at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Agency Lake, located just north of Klamath Falls along U.S. Highway 97 in Klamath County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the lake. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Agency Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Willow Creek Reservoir, located just east of the town of Heppner in Morrow County. Water monitoring has confirmed the presence of blue-green algae and the toxins they produce in the reservoir. These toxin concentrations can be harmful to humans and animals. People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue green or brownish red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur is discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified, or an advisory issued, can expose people to the toxins being produced. Although toxins are not absorbed through the skin, people who have skin sensitivities that come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Willow Creek Reservoir at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Health Advisory remains in effect for Coffenbury Lake, located at Fort Stevens State Park about five miles northwest of US-101 ALT, Northwest Ridgefield Road near Warrenton in Clatsop County. Water monitoring has confirmed the presence of blue-green algae that can produce toxins in Coffenbury Lake. These blue-green algae levels are likely to be associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals.  People should always avoid areas with visible scum that looks foamy, scummy, thick like paint, pea-green, blue-green or brownish-red. Swimming and high-speed water activities such as water skiing or power boating where ingestion and inhalation exposure can occur are discouraged. Swallowing or inhaling water droplets as a result of these water activities in areas where a bloom has been identified or an advisory issued, can expose people to the toxins that can be produced. Although toxins are not absorbed through the skin, people with skin sensitivities who come into contact with a bloom may experience a puffy, red rash at the affected area. Drinking water directly from Coffenbury Lake at this time is especially dangerous. OHA Public Health Division officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
• A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson Bar. Pools in the bedrock along the rivers edge are known to develop Blue-green Algae (cyanobacterial) blooms that can be harmful to pets and people if accidental ingestion occurs. Signs have been posted along several access areas along the river.

________________

Your College Football Forecast:

Saturday September 16th–

Ducks vs Wyoming, at War Memorial Stadium – Laramie, Wyoming– Kickoff: 4:00 PM PDT – Mostly sunny 66 and cooling as the game progresses.

Beavers vs Washington State, at Martin Stadium – Pullman, Washington– Kickoff: 2:30 PM PDT- Mostly sunny 65 warming to 69 then slow cooling toward the end of the game.

________________

 

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Sunny and a bit warmer with patchy smoke returning this afternoon, mostly clear with patchy smoke tonight,
• Mostly sunny and a bit cooler with patchy smoke Tuesday, partly cloudy and a bit cooler Tuesday night through Wednesday evening, then mostly cloudy late Wednesday night.
• highs 89-74 lows 54-47.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy late at night,
• A mix of clouds and sun and a bit warmer Friday, then partly cloudy and a bit warmer Friday night through Sunday.
• highs 69-77  lows 47-49. (seasonal averages high 79 low 48)

________________

 

Forecast for Roseburg:

• Sunny with patchy of smoke and a bit warmer this afternoon, mostly clear with patchy smoke late tonight,
• Sunny with patchy AM smoke, partly cloudy and a bit cooler with patchy smoke Tuesday, mostly clear with patchy smoke at night,
• Then partly cloudy and a bit cooler with patchy smoke Wednesday and Wednesday night.
• highs 92-78 lows 60-49.
• Partly cloudy and a bit cooler with patchy smoke Thursday and Thursday night,
• Partly cloudy with patchy smoke and a bit warmer Friday and at night,
• Then partly cloudy and a bit warmer with patchy smoke Saturday through Sunday.
• highs 72-79 lows 49-47 warming to 52 Saturday night. (seasonal averages high 80 low 52)

 

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Sunny and a bit warmer today, mostly clear tonight,
• Partly cloudy in the AM, sunny and a bit cooler Tuesday afternoon and evening, mostly cloudy late Tuesday night,
• Then partly cloudy and a bit cooler Wednesday and at night.
• highs 73-65 lows 55-52.
• Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit warmer Thursday afternoon and at night,
• Partly cloudy Friday through Saturday night,
• Partly cloudy Sunday AM, becoming mostly cloudy and a bit warmer in the afternoon.
• highs 64-66 lows 52-50. (seasonal averages high 65 low 51)

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Forecast for the Cascades in Lane County:

• Sunny and a bit warmer with areas of smoke this afternoon, partly cloudy with areas of smoke tonight through Tuesday night,
• Partly cloudy with areas of smoke and a bit cooler Wednesday afternoon, a slight (20%) chance of evening showers, then partly cloudy with areas of smoke late at night.
• free air freezing level 15,000 ft. today, 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. Tuesday and Tuesday night, 13,000 ft. falling to 12,000 ft. Wednesday, then 11,000 ft. late Wednesday night.
• highs 82-64 lows 54-36.
• Partly cloudy with areas of smoke and a bit cooler and a slight (20%) chance of showers Thursday afternoon and evening, partly cloudy with areas of smoke Thursday night,
• Partly cloudy with areas of smoke and a bit warmer Friday through Sunday.
• free air freezing level 11,000 ft. Thursday AM, 9,000 ft. Thursday night and Friday, 9,000 ft. rising to 10,000 ft. late Friday night, 10,000 ft. rising to 11,000 ft. Saturday afternoon, 11,000 ft. Saturday night, then 11,000 ft. rising to 13,000 ft. Sunday.
• highs 54-65 lows 35-42.

 

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

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