An Upper Level High Pressure Ridge along the coast keeps up the onshore airflow which will clear out the wildfire smoke in the Willamette Valley. The graphics for days 1-3 show a frontal system pushing through Oregon Sunday. The graphics for days 3-7 Tuesday through Saturday show no frontal systems pushing through the Pacific Northwest.
ADVISORIES:
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL NOON MONDAY FOR DOUGLAS COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON MONDAY FOR HOOD RIVER.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL FURTHER NOTICE FOR CROOK, GRANT, JEFFERSON, MATILLA, UNION, WALLOWA, WASCO, AND WHEELER COUNTIES.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL NOON MONDAY FOR JACKSON COUNTY AND KLAMATH COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON MONDAY FOR BAKER, HARNEY AND MALHEUR COUNTIES.
HEALTH ADVISORIES:
- 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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SKI REPORT:
Willamette Pass Ski: IT’S NOT OFFICIAL, BUT DUE TO THE LATENESS OF THE SEASON AND THE MILD WEATHER TREND THERE IS VIRTUALLY NO CHANCE OF GETTING ENOUGH SNOWFALL TO ALLOW OPENING FOR SKIING. CONSIDER IT CLOSED FOR THE SEASON.
Hoodoo Ski: IS CLOSED FOR THE SEASON.
Mt. Ashland Ski: IS CLOSED FOR THE SEASON.
Be sure to check their web pages for the latest updates.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Clear tonight,
- Sunny and a bit cooler Monday, mostly clear Monday night,
- Sunny and slightly warmer Tuesday, mostly clear at night,
- Sunny and a bit cooler Wednesday, then clear Wednesday night.
- lows 54-55 cooling to 53 Wednesday night highs 85-86 cooling to 84 Wednesday.
- Sunny and a bit warmer Thursday, mostly clear Thursday night,
- Mostly sunny and a bit warmer Friday, mostly clear at night,
- Sunny and slightly cooler Saturday, partly cloudy Saturday night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of rain Sunday.
- highs 85-89 cooling to 84 Sunday lows 54-56 cooling to 55 Saturday night. (seasonal averages high 86 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: ABSENT (0)
WEEDS: ABSENT (0)
Measured 8.5.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Clear tonight,
- Sunny and a bit cooler Monday, mostly clear Monday night,
- Sunny and slightly cooler Tuesday, mostly clear at night,
- Sunny and a bit cooler Wednesday, then clear Wednesday night.
- lows 56-58 cooling to 55 Wednesday night highs 89-86.
- Sunny and a bit warmer Thursday, mostly clear Thursday night,
- Sunny and a bit warmer Friday, mostly clear at night,
- Mostly sunny and warm Saturday, partly cloudy Saturday night,
- Then mostly sunny and a bit cooler Sunday.
- highs 87-92 cooling to 90 Saturday lows 56-58 (seasonal averages high 87 low 58).
- Mostly cloudy tonight,
- Sunny and a bit cooler Monday, partly cloudy Monday night,
- Sunny and a bit warmer Tuesday, mostly cloudy at night,
- Mostly sunny and a bit warmer Wednesday, then partly cloudy Wednesday night.
- lows near 54 highs 62-65.
- Mostly sunny Thursday, mostly cloudy Thursday night,
- Mostly cloudy Friday, mostly cloudy at night,
- Mostly cloudy and slightly warmer Saturday, mostly cloudy Saturday night,
- Then mostly cloudy and slightly cooler Sunday.
- lows 54-56 highs near 65. (seasonal averages high 67 low 54).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and a bit cooler Monday, mostly clear Monday night,
- Sunny and a bit cooler Tuesday, mostly clear at night,
- Sunny and a bit cooler Wednesday, then mostly clear Wednesday night.
- free air freezing level 16,000 ft. tonight, 15,000 ft. Monday through Tuesday night, 14,000 ft. Wednesday, then 15,000 ft. Wednesday night.
- lows 45-44 highs 75-73.
- Sunny Thursday, mostly clear Thursday night,
- Sunny Friday, mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit cooler with a slight (20%) chance of rain Saturday, partly cloudy Saturday night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of rain Sunday.
- free air freezing level 14,000 ft. Thursday and Thursday night, 13,000 ft. Friday, 14,000 ft. Friday night, snow level above 8,000 ft. Saturday, free air freezing level 14,000 ft. Saturday night, then snow level above 8,000 ft. Sunday.
- highs 75-76 cooling to 72 Sunday lows 46-48.