Sep
04.
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 Sunday through Thursday show a cold front moving eastward through Northern California Monday. A cold front will be to our northwest moving through Monday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 1 PM UNTIL 11 PM FRIDAY FOR ABUNDANT LIGHTNING FOR THE CENTRAL MOUNTAINS OF OREGON, THE NORTHERN DESCHUTES NATIONAL FOREST, AND THE SOUTHERN DESCHUTES NATIONAL FOREST.
- A RED FLAG WARNING IS IN EFFECT FROM 1 PM UNTIL 11 PM FRIDAY FOR ABUNDANT LIGHTNING FOR THE KLAMATH BASIN AND FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- A FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR ABUNDANT LIGHTNING FOR THE JOHN DAY VALLEY, THE CENTRAL BLUE MOUNTAINS, THE SOUTHERN BLUE MOUNTAINS, THE WESTERN FORESTED BLUE MOUNTAINS, AND THE WARM SPRINGS RESERVATION.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 8 PM FRIDAY FOR THE LANE COUNTY CASCADE FOOTHILLS AND THE CASCADES OF LANE COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 19 PM FRIDAY FOR EASTERN DOUGLAS COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT FOR SMOKE FROM THE EMIGRANT FIRE THROUGH FRIDAY 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 69 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 151 in the Unhealthy category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 65 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 with evening haze, mostly cloudy late tonight,
- Mostly sunny and a bit cooler with a slight (20%) chance of thunderstorms Friday afternoon, mostly cloudy with a slight (20%) chance of evening showers, a (30%) chance of showers late Friday night,
- 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 showers at night,
- A mix of clouds and sun with a (40%) chance of showers Sunday, then mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Sunday night.
- lows 60-56 warming to 58 Sunday night highs 88-82.
- Mostly cloudy and a bit cooler with showers likely (70%) and a slight (20%) chance of thunderstorms Monday, showers likely (70%) Monday night,
- Mostly cloudy and a bit warmer with showers likely (70%) Tuesday, mostly cloudy with a good (50%) chance of showers at night,
- Mostly cloudy with a good (50%) chance of AM showers, partly cloudy and a bit warmer with a good (50%) chance of showers Wednesday afternoon, mostly cloudy with a good (50%) chance of evening showers, partly cloudy with a good (50%) chance of showers Wednesday night,
- Then a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Thursday.
- highs 75-79 lows 56-55 (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 , 40% chance of showers, warming to 82 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, 40% chance of showers, warming to 82 by the end of the game.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a slight (20%) evening thunderstorms, mostly cloudy with a slight (20%) chance of showers late tonight,
- AM clouds, sunny and a bit cooler Friday afternoon, mostly cloudy with a slight (20%) chance of thunderstorms Friday night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of thunderstorms Saturday, partly cloudy with a slight (20%) chance of evening thunderstorms, just partly cloudy Saturday night,
- Mostly cloudy with a slight (20%) chance of AM showers, a (30%) chance of showers and a slight (20%) chance of thunderstorms Sunday afternoon, mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Sunday night,
- lows 60-56 warming to 58 Sunday night highs 88-82.
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Monday and Monday night,
- 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 good (50%) chance of showers at night,
- Mostly cloudy with a (40%) chance of AM showers, a good (50%) chance of showers with a slight (20%) chance of thunderstorms and a bit warmer Wednesday afternoon, a (30%) chance of showers Wednesday night,
- Then mostly cloudy and a bit warmer with a (30%) chance of showers Thursday.
highs 75-79 lows 60-58. - (seasonal averages high 83 low 54).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with patchy coastal fog late this evening continuing overnight, mostly cloudy with a slight (20%) chance of drizzle late tonight,
- Areas of AM fog, mostly cloudy and a bit warmer with a slight (20%) chance of coastal drizzle Friday afternoon, mostly cloudy with a slight (20%) chance of inland evening inland thunderstorms and drizzle late at night with patchy fog late Friday night,
- Patchy AM fog, mostly cloudy and a slight (20%) chance of coastal thunderstorms while mostly cloudy with a slight (20%) chance of AM inland fog thunderstorms and a slight (20%) chance of inland showers and a bit cooler Saturday afternoon and a slight (20%) chance of evening showers, patchy coastal fog late Saturday night, while patchy inland fog late at night,
- Patchy AM fog, mostly cloudy with a (0%) chance of showers and a slight (20%) chance of thunderstorms Sunday afternoon, mostly cloudy with a (%) chance of showers and a slight (20%) chance of thunderstorms Sunday night.
- lows 60-56 warming to 58 Sunday night highs 70-72.
- Mostly cloudy and a bit cooler with showers likely (70%) and a a slight (20%) chance of thunderstorms Monday and Monday night,
- Mostly cloudy with AM showers likely (70%), showers likely (70%) with a slight (20%) chance of thunderstorms and a bit warmer Tuesday afternoon, a good (50%) chance of showers at night,
- Mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday, a (30%) chance of showers Wednesday night,
- Then mostly cloudy with a (30%) chance of showers Thursday.
- highs 75-79 lows 56-55.
- (seasonal averages high 67 low 53). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy with areas of smoke and a slight (20%) chance of evening thunderstorms, areas of smoke with a (40%) chance of showers late tonight (under 0.10 in. of rain possible),
- Mostly sunny with haze and areas of smoke and a slight (20%) chance of AM showers, a bit cooler with haze and areas of smoke and a good (50%) chance of thunderstorms Friday afternoon, mostly cloudy with a slight (20%) chance of evening thunderstorms, partly cloudy with a good (50%) chance of showers late Friday night,
- A mix of clouds and sun with a good (50%) chance of AM showers and a slight (20%) chance of thunderstorms, mostly cloudy and a bit cooler with a good (50%) chance of thunderstorms Saturday afternoon, mostly cloudy with a (0%) chance of evening showers and a slight (20%) chance of thunderstorms, a slight (20%) chance of showers late 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 Sunday, mostly cloudy with showers likely (70%) and a slight (20%) chance of thunderstorms Sunday night.
- free air freezing level 14,000 ft. this evening and Friday, then snow level above 8,000 ft. Friday night through Sunday night.
- lows 56-56-48 highs 82-72.
- Mostly cloudy and a bit cooler with showers likely (70%) and a slight (20%) chance of thunderstorms Monday and Monday night,
- Mostly cloudy and a bit cooler with showers Tuesday, a good (50%) showers at night,
- Mostly cloudy and a bit cooler with showers likely (70%) and a slight (20%) chance of thunderstorms Wednesday, a good (50%) chance of showers Wednesday night,
- Then a mix of clouds and sun with a good (50%) chance of showers Thursday.
- snow level above 8,000 ft. Monday through Thursday.
- highs 68-56 lows 48-44.
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