An Upper Level Low Pressure Trough is pushing in along the coast bringing moisture from the Southwest into the Pacific Northwest. An Upper Level High Pressure (“O” shape) centered over southern Nevada is pulling eastward. The graphics for days 1-3 show a cold frontal system pushing through Oregon Saturday. The graphics for days 3-7 Wednesday through Sunday show no major activity over the Pacific Northwest through the period.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FOR WIND AND LOW HUMIDITY UNTIL 11 PM TONIGHT FOR THE CENTRAL BLUE MOUNTAINS, THE SOUTHERN BLUE MOUNTAINS,. AND THE WESTERN FORESTED BLUE MOUNTAINS.
- A WIND ADVISORY IS IN EFFECT UNTIL 2 PM MONDAY FOR BAKER COUNTY, HARNEY COUNTY, AND MALHEUR COUNTY.
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:
- Sunny today, mostly clear tonight,
- Sunny and a bit warmer Monday, clear at night,
- Sunny and a bit warmer Tuesday, then clear Tuesday night.
- highs 79-94 lows 52-59.
- Sunny and a bit warmer Wednesday, clear Wednesday night,
- Sunny and a bit cooler Thursday, clear at night,
- Sunny and a bit cooler Friday, clear Friday night,
- Then sunny Saturday.
- highs 93-88 lows 56-57. (seasonal averages high 86 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: ABSENT (0)
WEEDS: LOW (0)
Measured 7.30.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Sunny today, mostly clear tonight,
- Sunny and a bit warmer Monday, clear at night,
- Sunny and a bit warmer (Hot) Tuesday, then clear Tuesday night.
- highs 80-97 lows 54-62.
- Sunny and a bit cooler (Still Hot) Wednesday, clear Wednesday night,
- Mostly sunny and a bit cooler (Still Hot) Thursday, clear at night,
- Mostly sunny and a bit cooler (Still Warm) Friday, mostly clear Friday night,
- Then mostly sunny Saturday.
- highs 95-92 lows 59-62 cooling to 60 Friday night. (seasonal averages high 88 low 58).
- AM clouds, becoming sunny and a bit warmer this afternoon and breezy (Wind: NNE 10-15 mph increasing to N15-20 mph), Partly cloudy tonight,
- Sunny and a bit warmer Monday, mostly clear at night,
- Sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
- highs 59-66 lows 54-55.
- Mostly sunny Wednesday, partly cloudy Wednesday night,
- Mostly sunny and a bit cooler Thursday, partly cloudy at night,
- Mostly sunny and a bit warmer Friday, partly cloudy Friday night,
- Then mostly sunny and a bit cooler Saturday.
- highs 67-66 lows near 54. (seasonal averages high 67 low 54).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit cooler today, mostly clear tonight with patchy smoke late,
- Sunny and a bit warmer Monday, mostly clear at night,
- Sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
- free air freezing level 15,000 ft. today through Monday, 15,000 ft. rising to 16,000 ft. late Monday night, then 16,000 ft. Tuesday and Tuesday night.
- highs 66-84 lows 40-53.
- Sunny and a bit cooler Wednesday and Thursday, mostly clear both nights,
- Sunny and a bit cooler Friday, mostly clear Friday night,
- Then sunny and a bit cooler Saturday.
- free air freezing level above 16,000 ft. Wednesday through Saturday.
- highs 83-78 lows 52-50.