Sep
03.
An Upper Level High Pressure Ridge (“Arch” shape) continues the heat through Friday. The graphics for days 1-3 show no frontal systems sliding into the Pacific Northwest. The graphics for days 3-7 Saturday through Wednesday show a cold front moving eastward through Northern California Monday. A cold front will be to our northwest moving through between Monday and Tuesday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR ABUNDANT LIGHTNING ON DRY FUELS FOR THE UMPQUA NATIONAL FOREST, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTY
- A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR DRY THUNDERSTORMS FOR THE MT. HOOD NATIONAL FOREST REGION.
- A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TONIGHT FOR ABUNDANT LIGHTNING FOR THE SOUTHERN DESCHUTES NATIONAL FOREST.
- A RED FLAG WARNING IS IN EFFECT FOR THUNDERSTORMS UNTIL 9 PM TONIGHT FOR THE NORTHERN WILLAMETTE FOREST AND THE SOUTHERN WILLAMETTE NATIONAL FOREST.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 8 PM TONIGHT FOR SOUTHERN DESCHUTES COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 9 PM THURSDAY FOR THE LANE COUNTY CASCADE FOOTHILLS AND THE CASCADES OF LANE COUNTY.
- AN EXTREME HEAT WARNING IS IN EFFECT UNTIL 8 PM THURSDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
- A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM THURSDAY FOR THE WESTERN COLUMBIA RIVER GORGE I-84 CORRIDOR, UPPER HOOD RIVER VALLEY, AND EASTERN COLUMBIA RIVER GORGE SR-14 CORRIDOR.
- A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM THURSDAY FOR THE GRANDE RONDE VALLEY AND THE JOHN DAY BASIN,
- A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM THURSDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON.
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 87 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 83 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 61 in the Moderate 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 cloudy with a slight (20%) chance of evening showers, mostly clear late tonight,
- Sunny and hazy with areas of smoke and warmer Thursday afternoon, partly cloudy and hazy with a slight (20%) chance of showers Thursday night,
- Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a (40%) chance of showers Friday afternoon, mostly cloudy with a slight (20%) chance of evening thunderstorms, a good (50%) chance of showers later at night,
- AM clouds with a good (50%) chance of AM showers, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers Saturday afternoon, then partly cloudy with a slight (20%) chance of showers Saturday night.
- lows 58-60 cooling to 55 Saturday night highs 95-80.
- Mostly sunny and a bit warmer with a slight (20%) chance of showers Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night,
- AM clouds and sun with a good (50%) chance of showers, mostly cloudy with a good (50%) chance of showers Monday afternoon and at night,
- Mostly cloudy and a bit cooler with showers likely (70%) Tuesday, mostly cloudy with a good (50%) chance of showers Tuesday night,
- Then mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday.
- highs 82-75 warming to 76 Wednesday lows 56-55 (seasonal averages high 81 low 50).
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YOUR SATURDAY COLLEGE FOOTBALL WEATHER FORECAST:
SATURDAY AUGUST 30TH:
Ducks vs. Oklahoma State Cowboys at Autzen Stadium, Game Time 12:30 pm – Weather Forecast:
Beavers vs. Fresno State Bulldogs at Reser Stadium, Game Time 1230 PM- Weather Forecast:
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Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy with early evening isolated showers and thunderstorms, mostly clear late tonight,
- Sunny and a bit warmer with areas of smoke Thursday, partly cloudy with areas of smoke and a slight (20%) chance of evening thunderstorms, mostly cloudy with a slight (20%) chance of showers late Thursday night,
- Partly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler a slight (20%) chance of thunderstorms Friday afternoon, mostly cloudy with a slight (20%) chance of evening thunderstorms, a slight (20%) chance of showers at night,
- Mostly cloudy with a (30%) chance of AM showers and a slight (20%) chance of thunderstorms, partly cloudy a bit cooler with a slight (20%) chance of thunderstorms Saturday afternoon, then partly cloudy with a slight (20%) chance of showers Saturday night.
- lows 63-57 highs 96-82.
- Partly cloudy and a bit warmer with a slight (20%) chance of showers Sunday, mostly cloudy with a slight (20%) chance of showers Sunday night,
- Mostly cloudy with a good (50%) chance of AM showers, mostly cloudy and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Monday afternoon, mostly cloudy with a good (50%) chance of showers at night,
- Mostly cloudy with a good (50%) chance of AM showers, a bit cooler with showers likely (70%) and a slight (20%) chance of thunderstorms Tuesday afternoon, mostly cloudy with a good (50%) chance of showers Tuesday night,
- Then mostly cloudy with a good (50%) chance of showers Wednesday.
highs 85-78 lows 60-58. - (seasonal averages high 83 low 55).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy this evening at the shore and mostly cloudy with patchy coastal fog late tonight while mostly clear with early evening inland fog and thunderstorms with areas of inland fog late tonight,
- Mostly cloudy with patchy AM coastal fog and partly cloudy at the shore and a bit warmer Thursday afternoon while mostly cloudy with areas of inland AM fog and partly cloudy with a slight (20%) chance of inland thunderstorms and a bit warmer Thursday afternoon, mostly cloudy with patchy coastal fog and a slight (20%) chance of coastal showers and drizzle late Thursday night while mostly cloudy with patchy inland fog late Thursday night,
- Mostly cloudy and a bit cooler with patchy coastal fog and a slight (20%) chance of showers and drizzle Friday while mostly cloudy with inland areas of AM fog and a slight (20%) chance of inland showers and drizzle with partly cloudy and a bit cooler with a slight (20%) chance of inland thunderstorms Friday afternoon, mostly cloudy with patchy coastal fog a slight (20%) chance of showers at night while mostly cloudy with a slight (20%) chance of evening inland thunderstorms and patchy fog with patchy fog and a slight (20%) chance of inland showers late Friday night,
- Mostly cloudy with patchy AM fog and a (30%) chance of showers and a slight (20%) chance of thunderstorms, a slight (20%) chance of showers Saturday afternoon, then a slight (20%) chance of showers Saturday night.
- lows 58-56 highs 72-70.
- Mostly cloudy with a slight (20%) chance of showers and a bit warmer Sunday, mostly cloudy with a (30%) chance of showers Sunday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of showers Monday, a (60%) chance of showers at night,
- Mostly cloudy with showers likely (70%) Tuesday and Tuesday night,
- Then mostly cloudy with a good (50%) chance of showers Wednesday.
- highs 74-72 lows 57-56.
- (seasonal averages high 67 low 53). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy and hazy with areas of smoke and a (30%) chance of evening showers,mostly clear and hazy with areas of smoke late tonight (under 0.10 in. of rain possible),
- Sunny and a bit warmer with areas of smoke Thursday, partly cloudy with areas of smoke and a slight (20%) chance of evening showers, areas of smoke with a (40%) chance of showers Thursday night (under 0.10 in. of rain possible),
- AM clouds and sun with a good (50%) chance of showers, a bit cooler with a good (50%) chance of thunderstorms Friday afternoon, a slight (20%) chance of evening thunderstorms, mostly cloudy with a good (50%) chance of showers at night,
chance of mix of clouds and sun and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Friday, mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms at 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 Saturday, mostly cloudy with a slight (20%) chance of evening showers, then partly cloudy with a slight (20%) chance of showers Saturday night.
- free air freezing level 14,000 ft. tonight and Thursday, then snow level above 8,000 ft. Thursday night through Saturday night.
- lows 56-56 cooling to 48 Saturday night highs 82-72.
- A mix of clouds and sun and a bit cooler with a (40%) chance of showers and a slight (20%) chance of thunderstorms Sunday, mostly cloudy with a (40%) chance of showers Sunday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Monday, mostly cloudy with a good (50%) chance of showers at night,
- Mostly cloudy and a bit cooler with showers likely (70%) Tuesday, showers likely (70%) Tuesday night,
- Then mostly cloudy and a bit cooler with showers likely (70%) Wednesday.
- snow level above 8,000 ft. Sunday Wednesday.
- highs 68-56 lows 48-44.
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