An Upper Level High Pressure Ridge (“Arch” shape) over the 4-Corners area of the West continues to bring plenty of sunshine and with onshore airflow and slowly warming temperatures. The graphics for days 1-3 show no frontal systems pushing into the Pacific Northwest. The graphics for days 3-7 Monday through Friday show a frontal system hanging around the Pacific Northwest through the period.
ADVISORIES:
- A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM MDT TONIGHT FOR THE OREGON LOWER TREASURE VALLEY.
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 clear tonight,
- Sunny and and a bit warmer Tuesday, partly cloudy at night,
- Sunny and a bit cooler Wednesday, partly cloudy with a slight (20%) chance of showers late Wednesday night,
- Mostly sunny and a bit cooler Thursday, then mostly clear Thursday night.
- lows 53-55 cooling back to 53 Wednesday night highs 90-84.
- Sunny and a bit warmer Friday, clear Friday night,
- Sunny and a bit warmer Saturday and Sunday, mostly clear both nights,
- Then mostly sunny and a bit warmer Monday.
- highs 87-92 lows 54-56. (seasonal averages high 84 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: MODERATE (17)
TREE POLLEN: LOW (2)
WEEDS: ABSENT (0)
Measured 7.13.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear tonight,
- Sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
- Then sunny and a bit cooler Wednesday and Thursday, mostly clear both nights,
- lows 55-56 cooling back to 55 Wednesday night highs 84-89.
- Sunny and a bit warmer Friday, clear Friday night,
- Sunny and a bit warmer Saturday and Sunday, mostly clear both nights,
- Then sunny and quite warm Monday.
- highs 85-84 warming to 90 Friday and Saturday lows 54-58. (seasonal averages high 86 low 57).
- Becoming mostly cloudy tonight,
- AM clouds, sunny Tuesday, mostly cloudy Tuesday night,
- AM clouds, mostly sunny Wednesday, mostly cloudy at night,
- A mix of clouds and sun and a bit warmer Thursday, then mostly cloudy Thursday night.
- lows 50-53 highs 59-63.
- A mix of clouds and sun and a bit warmer Friday, partly cloudy Friday night,
- A mix of clouds and sun Saturday, mostly cloudy at night,
- A mix of clouds and sun and a bit warmer Sunday, mostly cloudy Sunday night,
- Then a mix of clouds and sun Monday.
- highs 64-63 lows 52-53. (seasonal averages high 66 low 54).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear this evening, partly cloudy late tonight,
- Sunny and a bit warmer Tuesday, mostly cloudy with a slight (20%) of showers Tuesday night,
- Sunny and a bit cooler Wednesday, partly cloudy with a (30%) chance of showers at night,
- Sunny and a bit cooler Thursday, then mostly clear Thursday night.
- free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. Tuesday, 13,000 ft. Tuesday night, 13,000 ft. Wednesday, snow level above 8,000 ft. Wednesday night, free air freezing level 14,000 ft. Thursday, then 15,000 ft. Thursday night.
- lows 52-47 highs 80-74.
- Sunny and a bit warmer Friday, clear Friday night,
- Sunny and a bit warmer Saturday, mostly clear at night,
- Sunny and a bit warmer Sunday, partly cloudy in the evening, mostly clear late Sunday,
- Then mostly sunny and a bit cooler with a slight (20%) chance of rain Monday.
- free air freezing level 15,000 ft. Friday through Sunday, 16,000 ft. Sunday night, then snow level above 8,000 ft. Monday.
- highs 78-82 cooling to 80 Monday lows 45-52.