An Upper Level High Pressure Ridge (“Arch” shape) takes over returning sunshine and dry weather for the week. The graphics for days 1-3 show no frontal systems moving over the Pacific Northwest. The graphics for days 3-7 Thursday through Monday show another weak frontal system sliding in Wednesday through Thursday and another cold front will to be pushing through the Pacific Northwest Friday through Saturday and another front moves in Monday.
ADVISORIES:
- NONE AT THIS TIME.
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, 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,
- Mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night,
- Sunny and a bit warmer Wednesday, partly cloudy at night,
- Sunny and a bit warmer Thursday, then mostly clear Thursday night.
- lows 42-48 cooling to 47 Wednesday night, warming to 50 Thursday night highs 72-74.
- Sunny and a bit cooler Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler Saturday, partly cloudy at night,
- Mostly sunny and a bit cooler Sunday, partly cloudy with a slight (20%) chance of rain Sunday night,
- Then a mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Monday (Memorial Day).
- highs 79-76 lows 49-48. (seasonal averages high 69 low 44).
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: HIGH (44)
TREE POLLEN: MODERATE (33)
WEEDS: LOW (5)
Measured 5.18.26
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,
- Sunny Wednesday, partly cloudy at night,
- Sunny and a bit warmer Thursday, then mostly clear Thursday night,
- lows 45-50 highs 73-77.
- Sunny Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler Saturday, mostly clear at night,
- Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
- Then mostly sunny with a (%) chance of rain Monday (Memorial Day)
- highs 82-78 lows 52-50. (seasonal averages high 72 low 48).
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear tonight,
- Sunny and a bit warmer Tuesday, increasing mostly cloudy Tuesday night,
- AM clouds, becoming sunny and a bit cooler Wednesday, partly cloudy at night,
- Sunny a bit warmer Thursday, then partly cloudy Thursday night.
- lows 47-50 highs 58-59.
- Mostly sunny and a bit cooler Friday, partly cloudy Friday night,
- Mostly sunny Saturday, partly cloudy Saturday night,
- Mostly sunny and a bit cooler Sunday, partly cloudy with a slight (20%) chance of rain at night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of rain Monday (Memorial Day).
- highs 60-58 lows near 50. (seasonal averages high 61 low 48).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and a bit warmer Tuesday, partly cloudy in the evening, mostly cloudy late Tuesday night,
- Sunny and a bit warmer Wednesday, partly cloudy at night,
- Sunny and a bit warmer Thursday, then mostly clear Thursday night.
- free air freezing level 8,000 ft. rising to 9,000 ft. late tonight, 9,000 ft. Tuesday, 10,000 ft. rising to 11,000 ft. late Tuesday night, 10,000 ft. rising to 11,000 ft. Wednesday, then 12,000 ft. Wednesday night through Thursday night.
- lows 32-40 highs 60-69.
- Sunny Friday, mostly clear Friday night,
- Sunny and a bit cooler Saturday, partly cloudy in the evening, mostly clear Saturday night,
- Sunny and a bit cooler Sunday, partly cloudy with a slight (20%) chance of rain Sunday night,
- Then a mix of clouds and sun and a bit cooler with a (40%) chance of rain and snow Monday (Memorial Day).
- free air freezing level 12,000 ft. Friday, 13,000 ft. Friday night, 12,000 ft. Saturday, 13,000 ft. Saturday night, 12,000 ft. Sunday, snow level 8,000 ft. Sunday night, then 6,500 ft. Monday.
- highs 70-58 lows 40-38.