Sep
05.
An Upper Level High Pressure Ridge (“Arch” shape) continues the heat through today, then weakens for cooling and possible precipitation. The graphics for days 1-3 show no frontal systems sliding into the Pacific Northwest. The graphics for days 3-7 Monday through Friday show a cold front moving through the Pacific Northwest Monday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR ABUNDANT LIGHTNING FOR THE JOHN DAY VALLEY, THE CENTRAL BLUE MOUNTAINS, THE SOUTHERN BLUE MOUNTAINS, THE WESTERN FORESTED BLUE MOUNTAINS, THE CENTRAL MOUNTAINS OF OREGON, THE NORTHERN DESCHUTES NATIONAL FOREST, AND SOUTHERN DESCHUTES NATIONAL FOREST.
- A RED FLAG WARNING IS IN EFFECT FOR ABUNDANT LIGHTNING ON DRY FUELS UNTIL 9 PM TONIGHT FOR THE UMPQUA NATIONAL FOREST, THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE BURNS BLM.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 9 PM TONIGHT FOR EASTERN DOUGLAS COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT FOR SMOKE FROM THE EMIGRANT FIRE THROUGH SUNDAY EVENING FOR EASTERN LANE COUNTY.
HEALTH ADVISORIES:
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR THE WILLAMETTE RIVER TO INCLUDE ROSS ISLAND BRIDGE DOWN RIVER TO WAPATO BRIDGE AND KELLY POINT PARK. AREAS OF THE RIVER AFFECTED BY THE ADVISORY ARE 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 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 ODEL LAKE 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 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 MICROCYSTIN.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT DUE TO A FOR BROWNLEE RESERVOIR IN BAKER COUNTY DUE TO THE SPREAD OF *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 UPPER KLAMATH LAKE 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 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 UPPER 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 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 67 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 63 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 47 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: 2 LOW
TREES: 0 ABSENT
WEEDS: 0 ABSENT
Measured 9.3.25
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,
- A mix of clouds and sun and a bit cooler with a (40%) chance of showers and a slight (20%) chance of thunderstorms Saturday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy late Saturday night,
- A mix of clouds and sun with a slight (20%) chance of showers Sunday afternoon, mostly cloudy with a slight (20%) chance of evening showers, a good (50%) chance of showers at night,
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Monday, then showers likely (70%) Monday night.
- lows 58-55 warming to 58 Sunday night cooling to 57 Monday night highs 80-73.
- Mostly cloudy and a bit warmer with showers likely (70%) and a slight (20%) chance of thunderstorms Tuesday, mostly cloudy with a good (50%) chance of showers Tuesday night,
- AM clouds with a good (50%) chance of showers , a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Wednesday afternoon, mostly cloudy with a (40%) chance of evening showers, partly cloudy with a (40%) chance of showers late at night,
- A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers Thursday night,
- Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Friday.
- highs 74-82 lows 55-54 (seasonal averages high 81 low 50).
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YOUR SATURDAY COLLEGE FOOTBALL WEATHER FORECAST:
SATURDAY SEPTEMBER 6TH:
Ducks vs. Oklahoma State Cowboys at Autzen Stadium, Game Time 12:30 pm – Weather Forecast: A mix of clouds and sun 73 degrees, warming to 80 by the end of the game.
Beavers vs. Fresno State Bulldogs at Reser Stadium, Game Time 12:30 PM- Weather Forecast: A mix of clouds and sun 72 degrees, warming to 80 by the end of the game.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear with areas of smoke and a slight (20%) chance of early evening thunderstorms, mostly cloudy with areas of smoke late tonight,
- Mostly cloudy with areas of AM smoke and a slight (20%) chance of thunderstorms, partly cloudy and a bit cooler with areas of smoke and a slight (20%) chance of thunderstorms Saturday afternoon, mostly cloudy with areas of evening smoke and a slight (20%) chance of thunderstorms, a slight (20%) chance of showers late Saturday night,
- Partly cloudy with a slight (20%) chance of showers and a bit warmer Sunday afternoon, mostly cloudy with a (40%) chance of showers at night,
- Mostly cloudy with AM showers likely (70%) with a slight (20%) chance of thunderstorms, showers with a (30%) chance of thunderstorms and cooler Monday afternoon, showers likely (70%) late Monday night.
- lows 62-60 warming back to 62 Sunday night highs 82-83 cooling to 72 Monday.
- Mostly cloudy with AM showers likely (70%), a bit warmer with showers likely (70%) and a slight (20%) chance of thunderstorms Tuesday afternoon, mostly cloudy with a (50%) chance of showers Tuesday night,
- Mostly cloudy with a (0%) chance of showers and a bit warmer Wednesday, partly cloudy with a (0%) chance of showers at night,
- Mostly cloudy and a bit warmer with a (40%) chance of showers Thursday, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Thursday night,
- Then partly cloudy and a bit warmer with a slight (20%) chance of showers Friday.
highs 73-84 lows 55-57. - (seasonal averages high 83 low 54).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Cloudy with patchy fog late tonight,
- Patchy AM fog, mostly cloudy and a slight (20%) chance of coastal and a (30%) chance of showers and a slight (20%) chance of thunderstorms while mostly cloudy with a slight (20%) chance of AM inland showers and partly cloudy and a bit warmer with a slight (20%) chance of inland thunderstorms Saturday afternoon, mostly cloudy with a slight (20%) chance of evening inland showers and a slight (20%) chance of thunderstorms, mostly cloudy with patchy coastal fog late Saturday night, while patchy inland fog late Saturday night,
- Mostly cloudy with patchy AM coastal fog, a slight (20%) chance of coastal showers Sunday afternoon while areas of inland AM fog and a slight (20%) chance of inland showers Sunday afternoon, mostly cloudy with a (40%) chance of showers with patchy inland fog late at night,
- Mostly cloudy and a bit cooler with showers likely (70%) and a a slight (20%) chance of thunderstorms Monday and Monday night.
- lows 58-56 warming back to 58 Sunday night highs 74-76 cooling to 69 Monday.
- Mostly cloudy with showers likely (70%) and a bit warmer Tuesday, mostly cloudy with a good (50%) chance of showers Tuesday night,
- Mostly cloudy and a bit warmer with a (40%) chance of showers Wednesday, a (30%) chance of showers at night,
- Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy with a slight (20%) chance of showers Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy Thursday night,
- Mostly cloudy with a slight (20%) chance of M showers, then partly cloudy with a slight (20%) chance of showers Friday afternoon.
- highs 70-74 lows 56-55.
- (seasonal averages high 67 low 53). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy tonight,
- Clouds and sun and hazy with a slight (20%) of AM showers, a mix of clouds and sun and hazy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Saturday afternoon (0.25 in. of rain possible), mostly cloudy and hazy with a good (50%) chance of evening showers, mostly cloudy a slight (20%) chance of showers late Saturday night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Sunday, mostly cloudy and hazy with a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers late at night,
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Monday, then showers likely (70%) and a slight (20%) chance of thunderstorms Monday night.
- free air freezing level 14,000 ft. tonight, then snow level above 8,000 ft. Saturday through Monday night.
- lows 73-57 highs 82-72.
- Mostly cloudy and a bit warmer with showers and a slight (20%) chance of thunderstorms Tuesday, mostly cloudy a good (50%) showers Tuesday night,
- Mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday, a good (50%) chance of showers at night,
- A mix of clouds and sun with a good (50%) chance of showers and a bit warmer Thursday, mostly cloudy with a good (50%) chance of showers Thursday night,
- Then mostly sunny and a bit warmer with a (40%) chance of showers Friday.
- snow level above 8,000 ft. Tuesday through Friday.
- highs 56-67 lows 44-46.
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