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 the cold frontal system that pushed into the Pacific Northwest between Saturday. The graphics for days 3-7 Monday through Friday show a frontal system pushing into the Pacific Northwest Tuesday through Thursday.
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST.
- A HEAT ADVISORY IS IN EFFECT FROM 2 PM MDT UNTIL 9 PM MDT MONDAY 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:
- Clear tonight,
- Sunny and a bit warmer Monday, mostly clear Monday night,
- Sunny and and a bit warmer Tuesday, clear at night,
- Sunny and a bit cooler Wednesday, then mostly clear with a slight (20%) chance of rain late Wednesday night.
- lows 52-55 cooling to 53 Wednesday night, highs 88-90 cooling to 89 Wednesday.
- Mostly sunny and a bit cooler Thursday, clear Thursday night,
- Sunny and a bit warmer Friday, clear at night,
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Then mostly sunny and a bit warmer Sunday.
- highs 83-92 lows 52-57. (seasonal averages high 84 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: MODERATE (19)
TREE POLLEN: LOW (2)
WEEDS: LOW (0)
Measured 7.9.26
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 Monday, mostly clear Monday night,
- Sunny Tuesday, mostly clear Tuesday night,
- Sunny and a bit cooler Wednesday, then clear Wednesday night.
- lows 53-57 highs 84-89.
- Sunny and a bit cooler Thursday, clear Thursday night,
- Sunny and a bit warmer Friday, clear at night,
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Then mostly sunny and warm Sunday.
- highs 85-84 warming to 90 Friday and Saturday lows 54-58. (seasonal averages high 86 low 57).
- Mostly clear tonight,
- AM clouds, sunny Monday afternoon, mostly cloudy Monday night,
- AM clouds, sunny Tuesday, mostly cloudy at night,
- Mostly sunny and a bit Wednesday, then mostly cloudy with a slight (20%) chance of rain Wednesday night.
- lows 50-52 highs 59-63.
- Mostly sunny and a bit warmer Thursday, partly cloudy Thursday night,
- Mostly sunny Friday, partly cloudy at night,
- Mostly sunny and a bit warmer Saturday, mostly cloudy Saturday night,
- Then a mix of clouds and sun and a bit warmer Sunday.
- 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 tonight,
- Mostly sunny and a bit warmer Monday, partly cloudy in the evening, mostly clear late Monday night,
- Sunny and a bit warmer Tuesday, partly cloudy with a (30%) of evening showers, becoming mostly clear late at night,
- Sunny and a bit cooler Wednesday, then mostly clear with a slight (20%) chance of rain Wednesday night.
- free air freezing level 14,000 ft. tonight and Monday, 15,000 ft. falling to 14,000 ft. late Monday night, 14,000 ft. Tuesday, snow level above 8,000 ft. Tuesday night, free air freezing level 14,000 ft. Wednesday, then snow level above 8,000 ft. Wednesday night.
- lows 48-50 cooling to 47 Wednesday night highs 78-79 cooling to 77 Wednesday.
- Sunny and a bit cooler Thursday, clear Thursday night,
- Sunny and a bit warmer Friday, mostly clear at night,
- Sunny and a bit warmer Saturday, partly cloudy Saturday night,
- Then mostly sunny Sunday.
- free air freezing level 14,000 ft. Thursday and Thursday night, then 15,000 ft. Friday through Sunday.
- highs 73-82 lows 45-52.