Sep
25.
An Upper Level High Pressure Ridge that took over for a warming and drying trend is moving eastward away from us. The graphics for days 1-3 show a cold frontal system that moved through the Pacific Northwest Thursday. The graphics for days 3-7 Monday through Friday show a cold front pushing through between Monday and Tuesday and another on Wednesday. Then a complex frontal system will be approaching the Pacific Northwest next Friday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON.
- A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA RIVER BASIN OF OREGON AND THE WARM SPRINGS RESERVATION.
HEALTH ADVISORIES:
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR WAPATO MARSH AT AT OAKS BOTTOM WILDLIFE REFUGE IN MULTNOMAH COUNTY. *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WAPATO MASRSH TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH LAKE IN KLAMATH COUNTY E TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT KLAMATH LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR HELLS CANYON RESERVOIR IN BAKER AND WALLOWA COUNTIES DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT HELLS CANYON RESERVOIR TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR OCHOCO LAKE IN CROOK COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT OCHOCO LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF CYANOBACTERIA *PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE WILLAMETTE RIVER TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING CYANOTOXINS.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ECKMAN LAKE IN LINCOLN COUNTY DUE TO THE PRESENCE OF CYANOBACTERIA.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT ODEL LAKE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING SAXITOXIN (PSP).
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR BULLY CREEK RESERVOIR IN MALHEUR COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT BULLY CREEK RESERVOIR TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THIEF VALLEY RESERVOIR IN BAKER AND UNION COUNTIES DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUT OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THIEF VALLEY RESERVOIR TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR UPPER KLAMATH WILDLIFE REFUGE IN KLAMATH COUNTY DUE TO THE PRESENCE OF MICROCYSTIN.*PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE PRESENT, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT UPPER KLAMATH WILDLIFE REFUGE TO ENJOY ACTIVITIES SUCH AS FISHING, HIKING, BIKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH INCREASES THE RISK OF INHALING MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO PRESENCE OF CYANOBACTERIA FOR THE SOUTH UMPQUA RIVER. *PEOPLE SHOULD AVOID POOLS OF WATER IN BEDROCK ALONG THE RIVER. AVOID WATER CONTACT, DO NOT DRINK THE WATER, AND KEEP CHILDREN AND PETS AWAY FROM THE POOLS OF WATER.
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER 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.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Eugene-Springfield Area Pollen count:
GRASS: 0 ABSENT
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 9.22.25
Data courtesy of Oregon Allergy Associates.
The grass pollen season has just about ended.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Partly cloudy tonight,
- Sunny and a bit cooler Friday, mostly clear Friday night,
- Sunny and a bit warmer Saturday, partly cloudy in the evening, mostly clear at night,
- A mix of clouds and sun and a bit cooler Sunday, then mostly cloudy with rain likely (70%) Sunday night.
- lows 44-55 highs 76-80 cooling back to 76 Sunday.
- Mostly cloudy with rain and a bit cooler Monday with a slight (20%) chance of thunderstorms, a good (50%) chance of showers Monday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Tuesday, rain likely (70%) at night,
- Mostly cloudy with a good (50%) chance of rain and a bit warmer Wednesday, a (40%) chance of rain Wednesday night,
- Mostly cloudy with a (40%) chance of AM rain, then a mix of clouds and sun with a (40%) chance of rain Thursday.
- highs 68-67 warming to 72 Thursday lows 49-50 (seasonal averages high 74 low 46).
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YOUR SATURDAY COLLEGE FOOTBALL WEATHER FORECAST:
SATURDAY SEPTEMBER 27 TH:
Ducks vs Penn State Nittany Lions at West Shore Home Field, University Park , PA – Game Time 4:30 pm PDT; Weather Forecast- Mostly Cloudy 68 degrees, cooling as the game progresses.
FRIDAY SEPTEMBER 26 TH:
Beavers vs Houston Cougars at Reser Stadium – Game time 7:30 pm PDT: Weather forecast- Partly Cloudy 72 degrees, cooling as the game progresses.
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Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy tonight,
- Sunny and a bit cooler Friday, mostly clear Friday night,
- Sunny and a bit warmer Saturday, partly cloudy in the evening, mostly clear late at night,
- Some AM clouds, mostly cloudy and a bit cooler Sunday, cloudy with a good (50%) chance of evening rain, then rain likely (70%) late Sunday night.
- lows 48-45 warming to 56 Sunday night highs 76-87 cooling to 80 Sunday.
- Mostly cloudy with AM rain, showers likely (70%) and cooler with a slight (20%) chance of thunderstorms Monday afternoon, a good (50%) chance of evening showers, a good (50%) of rain late Monday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Tuesday, rain likely (70%) at night,
- Mostly cloudy and a bit warmer with a (40%) chance of rain Wednesday, a (30%) chance of showers Wednesday night,
- Then mostly cloudy and a bit warmer with a (30%) chance of showers Thursday.
- highs 82-68 warming to 72 Wednesday lows 64-62 warming to 72 Thursday. (seasonal averages high 77 low 50).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy with patchy fog tonight,
- Patchy AM fog, sunny and a bit warmer Friday afternoon, mostly clear with patchy fog late Friday night,
- Patchy AM and late night coastal fog, sunny Saturday, partly cloudy in the evening, mostly cloudy late at night,
- Patchy AM fog, mostly cloudy and a bit cooler with a slight (20%) chance of rain Sunday afternoon, evening rain, likely (70%), then rain late Sunday night.
- lows 49-47 warming to 56 Sunday night highs 67-65.
- Mostly cloudy with AM rain likely (70%), a bit cooler with a good (50%) chance of showers Monday afternoon, evening showers likely (70%), a good (50%) chance of rain Monday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Tuesday, rain likely (70%) at night,
- Mostly cloudy and a bit warmer with a good (50%) chance of rain Wednesday, a (40%) chance of showers Wednesday night,
- Then mostly cloudy with a (40%) chance of showers Thursday.
- highs 60-59 warming to 67 Wednesday and Thursday lows 52-54. (seasonal averages high 66 low 50)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy tonight,
- Sunny and a bit cooler Friday, partly cloudy in the evening, mostly clear late Friday night,
- Sunny and a bit warmer Saturday, partly cloudy in the evening, clear late at night,
- Mostly sunny and a bit cooler Sunday, then mostly cloudy with rain likely (70%) Sunday night.
- free air freezing level 13,000 ft. tonight, 14,000 ft. Friday, 15,000 ft. Friday night, 15,000 ft. falling to 14,000 ft. Saturday afternoon, 14,000 ft. Saturday night, 12,000 ft. Sunday, then snow level above 8,000 ft. Sunday night.
- lows 38-46 cooling to 44 Sunday night highs 67-74 cooling back to 67 Sunday.
- Mostly cloudy and cooler with rain and a slight (20%) chance of thunderstorms Monday, showers likely (70%) Monday night,
- Mostly cloudy with rain likely (70%) Tuesday, rain likely (70%) at night,
- Mostly cloudy and a bit warmer with a good (50%) of rain Wednesday, a good (50%) chance of rain Wednesday night,
- Then a mix of clouds and sun with a (40%) chance of rain Thursday.
- snow level above 8,000 ft. Monday, 7,500 ft. Monday night and Tuesday, then 8,000 ft. Tuesday night through Thursday.
- highs 52-50 warming to 57 Thursday lows 38-37 warming back to 38 Wednesday night.
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