Apr
17.
An Upper Level High Pressure Ridge (“Arch” shape) helps surface High Pressure bring more sunshine with frosty mornings. The graphics for days 1-3 show a frontal system offshore Saturday. The graphics for days 3-7 Monday through Friday show that cold front moving through the Pacific Northwest between Sunday into Monday and another one on Tuesday.
ADVISORIES:
- A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 8 AM SATURDAY FOR THE BENTON COUNTY LOWLANDS, LINN COUNTY LOWLANDS, THE LANE COUNTY LOWLANDS.
- A FROST ADVISORY IS IN EFFECT FROM 1 AM UNTIL 8 AM SATURDAY FOR THE UPPER HOOD RIVER VALLEY.
- A FREEZE WARNING IS IN EFFECT FROM MIDNIGHT MDT TONIGHT UNTIL 10 AM MDT SATURDAY 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: Is closed until better snow conditions for Spring skiing.
Hoodoo Ski: Is closed until better snow conditions for Spring skiing.
Mt. Ashland Ski: IS CLOSED FOR THE SEASON.
Be sure to check their web pages for the latest updates.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 17 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 8 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 16 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy tonight,
- Mostly sunny and warmer Saturday, mostly cloudy Saturday night,
- Cloudy Sunday, mostly cloudy at night,
- Mostly cloudy with a (40%) chance of rain Monday afternoon, evening rain likely (70%), then just mostly cloudy late Monday night.
- lows 38-48 cooling to 47 Monday highs 72-68.
- Mostly cloudy and a bit cooler with rain likely (70%) Tuesday afternoon, rain likely (70%) Tuesday night,
- Mostly cloudy and a bit cooler with a rain likely (70%) Wednesday, a (40%) chance of rain at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of rain Thursday, partly cloudy Thursday night,
- Then mostly sunny and a bit warmer Friday.
- highs 63-58 warming to 67 Friday lows 46-42. (seasonal averages high 61 low 40).
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EUGENE-SPRINGFIELD POLLEN COUNT:`
GRASS POLLEN: ABSENT (0)
TREE POLLEN: HIGH (84)
WEEDS: ABSENT (0)
Wednesday 4.16.26
NOTE: DATA FROM OREGON ALLERGY ASSOCIATES.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy tonight,
- Mostly sunny and a bit warmer Saturday, increasing clouds Saturday night,
- Cloudy and a bit cooler Sunday, mostly cloudy with a slight (20%) chance of rain at night,
- Mostly cloudy and a bit cooler with a good (50%) chance of rain Monday afternoon, evening rain likely (70%), then a good (50%) chance of rain late Monday night.
- lows 40-49 cooling to 47 Monday night highs 75-68.
- Mostly cloudy with rain and a bit cooler Tuesday afternoon, rain likely (70%) Tuesday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Wednesday, a (40%) chance of rain at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of rain Thursday, partly cloudy Thursday night,
- The mostly sunny and a bit warmer Friday.
- highs 63-58 warming to 68 Friday lows 47 cooling to 42. (seasonal averages high 64 low 43).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy tonight,
- Mostly cloudy start, sunny and a bit warmer Saturday afternoon, increasing clouds with a slight (20%) chance of rain Saturday night (0.25 in. of rain possible),
- Cloudy and a bit warmer with a (30%) chance of rain Sunday, mostly cloudy with a (40%) chance of rain at night,
- Mostly cloudy and a bit cooler with rain likely (70%) Monday, then rain likely (70%) Monday night.
- lows 43-50 cooling to 49 Sunday night highs 59-60 cooling t0 58 Monday.
- Mostly cloudy and a bit cooler with rain Tuesday, rain likely (70%) Tuesday night,
- Mostly cloudy and a bit cooler with rain likely (70%) Wednesday, rain likely (70%) at night,
- A mix of clouds and sun with a (30%) chance of rain Thursday, partly cloudy Thursday night,
- Then mostly sunny and a bit warmer Friday.
- highs 56-54 warming to 58 Friday lows 48-45. (seasonal averages high 57 low 44).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy tonight,
- Mostly sunny and a bit warmer Saturday, partly cloudy in the evening, mostly cloudy Saturday night,
- Mostly cloudy and a bit cooler Sunday, mostly cloudy with a slight (20%) chance of evening rain, just mostly cloudy at night,
- Mostly cloudy with a good (50%) chance of AM rain, a mix of clouds and sun and a bit warmer with a good (50%) chance of rain Monday afternoon, then rain likely (70%) Monday night.
- free air freezing level 8,000 ft. tonight, 9,000 ft. Saturday, 10,000 ft. Saturday night and Sunday, snow level 7,500 ft. Sunday night, then 7,000 ft. Monday and Monday night.
- lows 32-40 highs 58-60 cooling back to 58 Monday night.
- Mostly cloudy with rain and snow and a bit cooler Tuesday, rain and snow Tuesday night,
- Mostly cloudy and a it cooler with rain and snow Wednesday, rain and snow likely (70%) at night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, a mix of clouds and sun with a good (50%) chance of rain and snow Thursday afternoon,
- Then mostly sunny with a (30%) chance of rain with a slight (20%) chance of snow Friday.
- snow level 6,500 ft. Tuesday, 6,000 ft. Tuesday night, 5,000 ft. Wednesday, 4,500 ft. Wednesday night and Thursday, then 5,500 ft. Thursday night and Friday.
- highs 52-40 warming back to 52 Friday lows 34-32.
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