An Upper Level Low Pressure Trough (“U” shape) offshore will be cooling us off by spreading weak cold fronts our way. The graphics for days 1-3 show a cold front pushing through Oregon Thursday into Friday. The graphics for days 3-7 Friday through Monday show the frontal system pushing out of the Pacific Northwest Friday. Another front will be sliding through next Monday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TONIGHT FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR 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 FROM 2 PM UNTIL 8 PM THURSDAY FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR 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 FROM NOON MDT UNTIL 9 PM MDT THURSDAY FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE BURNS BLM, STEENS MOUNTAIN, AND THE SOUTHERN GRASSLANDS.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON FRIDAY FOR CROOK, JEFFERSON, AND WASCO 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:
- Mostly cloudy tonight,
- Morning clouds, sunny and a bit cooler Thursday, mostly cloudy late Thursday night,
- AM clouds and patchy fog, sunny and a bit cooler Friday afternoon, mostly clear at night,
- Mostly sunny and a bit cooler Saturday, mostly clear Saturday night.
- lows 56-48 highs 80-77.
- Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
- Mostly sunny Monday, partly cloudy at night,
- A mix of clouds and sun and a bit cooler Tuesday, partly cloudy Tuesday night,
- Then mostly cloudy and a bit cooler with a slight (20%) chance of rain Wednesday.
- highs 79-80 cooling to 75 Tuesday lows near 54. (seasonal averages high 83 low 51)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: ABSENT (0)
WEEDS: ABSENT (0)
Measured 8.25.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy tonight,
- AM clouds, becoming sunny and a bit cooler Thursday afternoon, mostly cloudy Thursday night,
- AM clouds, sunny Friday afternoon, mostly clear at night,
- Mostly sunny and a bit cooler Saturday, then clear Saturday night.
- lows 57-54 highs 83-80.
- Sunny and a bit warmer Sunday, clear Sunday night,
- Mostly sunny and a bit cooler Monday, partly cloudy at night,
- Mostly sunny and a bit cooler Tuesday, partly cloudy Tuesday night,
- Then a mix of clouds and sun Wednesday.
- highs 83-80 lows 52-53, (seasonal averages high 85 low 56).
- Mostly cloudy tonight,
- AM clouds, sunny and a bit cooler Thursday, mostly cloudy Thursday night,
- AM clouds, sunny and a bit cooler Friday afternoon, partly cloudy at night,
- Mostly sunny Saturday, then partly cloudy Saturday night.
- lows 57-54 highs 62-64 cooling to 63 Thursday.
- Sunny Sunday, partly cloudy Sunday night,
- A mix of clouds and sun Monday, mostly cloudy at night,
- Mostly cloudy Tuesday, mostly cloudy Tuesday night,
- Then a mix of clouds and sun with a slight (20%) chance of rain Wednesday.
- highs 65-64 warming back to 65 Tuesday lows 52-53 cooling back to 52 Monday night. (seasonal averages high 68 low 53).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy tonight,
- Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
- Sunny Friday, mostly clear at night,
- Mostly sunny and a bit cooler Saturday, then mostly clear Saturday night.
- free air freezing level 14,000 ft. tonight through Thursday night, 13,000 ft. Friday and Friday night, then 12,000 ft. 12,000 ft. Saturday and Saturday night.
- lows 45-40 highs 69-62.
- Sunny and a bit warmer Sunday, mostly clear Sunday night,
- Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy at night,
- Mostly sunny and a bit cooler Tuesday, partly cloudy Tuesday night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of rain Wednesday.
- free air freezing level 13,000 ft. Sunday, 14,000 ft. Sunday night and Monday, 13,000 ft. Monday night, 12,000 ft. Tuesday, 13,000 ft. Tuesday night, then snow level above 8.000 ft. Saturday.
- highs 70-72 cooling to 64 Wednesday lows 44-42.