An Upper Level Low Pressure Trough (“U” shape) is moving out to be replaced by an Upper Level High Pressure Ridge warming us up. The graphics for days 1-3 show no disturbances pushing through Oregon. The graphics for days 3-7 Wednesday through Sunday show no frontal systems pushing through the Pacific Northwest Wednesday through Fridaynight.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 11 AM UNTIL 8 PM TODAY FOR THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, AND THE SOUTHERN OREGON CASCADES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR WILDFIRE SMOKE FOR CLACKAMAS AND HOOD RIVER COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR WILDFIRE SMOKlows 50-46 E FOR CROOK, JEFFERSON, WASCO, AND WHEELER 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 sunny, patchy early afternoon smoke, mostly sunny, warmer this afternoon, mostly clear tonight,
- Mostly sunny, a bit cooler Tuesday, mostly clear Tuesday night,
- Mostly sunny and a bit cooler Wednesday, mostly clear at night.
- highs 91-84 lows 57-53,
- A mix of clouds and sun and a bit cooler Thursday, mostly clear Thursday night,
- Sunny Friday, mostly clear at night,
- Sunny and a bit cooler Saturday, mostly clear Saturday night,
- Then mostly sunny and a bit warmer Sunday.
- A mix of clouds and sun highs 84-85 cooling to 80 Saturday 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: LOW
Measured 8.18.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Widespread morning haze, mostly sunny and warmer, HOT today, increasing clouds tonight,
- Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
- Sunny and a bit cooler Wednesday, then mostly clear Wednesday night.
- highs 97-86 lows 59-56.
- Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
- Sunny and a bit cooler Friday, mostly clear at night,
- Sunny and a bit cooler Saturday, mostly clear Saturday night,
- Then sunny Sunday.
- highs 83-81 lows 54-52 (seasonal averages high 85 low 56).
- Patchy AM fog and haze, mostly cloudy and a bit cooler this afternoon, mostly cloudy tonight,
- AM clouds and sun and a bit warmer Tuesday, mostly cloudy Tuesday night,
- A mix of clouds and sun and a bit warmer Wednesday, then mostly cloudy Wednesday night.
- highs 62-64 lows 58-55.
- A mix of clouds and sun and a bit warmer Thursday, partly cloudy Thursday night,
- A mix of clouds and sun Friday, partly cloudy at night,
- Mostly sunny Saturday, partly cloudy Saturday night,
- Then mostly sunny and a bit cooler Sunday.
- highs 64-66 lows 56-55 warming back to 56 Friday night. (seasonal averages high 68 low 53).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly sunny today, mostly clear tonight,
- Mostly Sunny Tuesday, mostly clear Tuesday night,
- Sunny and a bit cooler Wednesday, then mostly clear Wednesday night.
- free air freezing level 15,000 ft. today through Wednesday night.
- highs 83-75 lows 50-44.
- Sunny and a bit cooler Thursday, mostly clear Thursday night,
- Sunny and a bit cooler Friday, mostly clear at night,
- Sunny and a bit cooler Saturday, mostly clear Saturday night,
- Then sunny and a bit warmer Sunday.
- free air freezing level 14,000 ft. Thursday through Friday night, then free air freezing level 13,000 ft. Saturday, 12,000 ft. Saturday night then 13,000 ft. Sunday.
- highs 72-68 warming back to 72 lows 48-50 cooling to 47 Friday night.