An Upper Level High Pressure Ridge (“Arch” shape) is building up toward the coast binging a dry spell. The graphics for days 1-3 show frontal systems pushing into the Willamette Valley. The graphics for days 3-7 Tuesday through Saturday show a complex frontal system will be approaching the Pacific Coast Monday then moving through between Wednesday and next Thursday.
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ADVISORIES:
- A FROST ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 7 AM SUNDAY FOR THE UPPER HOOD RIVER VALLEY, THE CASCADE FOOTHILLS OF LINN AND MARION COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS.
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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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Partly cloudy this evening, mostly clear late tonight,
- Sunny and a bit warmer Sunday, clear Sunday night,
- Then sunny and a bit warmer Monday and Tuesday, mostly clear both nights,
- lows 37-46 highs 64-80.
- Mostly sunny and a bit cooler Wednesday,partly cloudy in the evening, mostly cloudy late Wednesday night,
- Mostly sunny and a bit cooler Thursday, mostly clear at night,
- Sunny and a bit warmer Friday, partly cloudy Friday night,
- Then mostly sunny and a bit cooler Saturday.
- highs 73-69 warming back to 73 Friday cooling to 72 Saturday lows 46-42 warming to 44 Friday night. (seasonal averages high 66 low 42).
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HOME WOOD HEATING ADVISORY:
The Eugene & Springfield: GREEN– Fireplace and wood stove used is allowed. Protect air quality by not heating with wood when possible.
Oakridge And Westfir: GREEN– Fireplace and wood stove used is allowed. Protect air quality by not heating with wood when possible.
The use of pellet stoves is always allowed.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy this evening, clear late tonight,
- Sunny and a bit warmer Sunday, clear Sunday night,
- Sunny and warmer Monday, clear Monday night,
- Sunny and a bit warmer Tuesday, then clear Tuesday night.
- lows 42-40 warming to 49 Tuesday night highs 65-83.
- Sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
- Partly cloudy and and a bit cooler Thursday, mostly clear at night,
- Mostly sunny and a bit and a bit warmer Friday, partly cloudy Friday night,
- Then partly cloudy and a bit cooler Saturday.
- highs 78-75 warming back to 78 Friday cooling to 76 Sunday lows 48-47. (seasonal averages high 68 low 46).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear tonight,
- Sunny and a bit warmer Sunday, mostly clear Sunday night,
- Sunny and a bit warmer Monday, mostly clear at night,
- Sunny Tuesday, mostly clear Tuesday night.
- lows 39-45 highs 60-65.
- Partly cloudy and a bit cooler Wednesday, mostly cloudy in the evening, partly cloudy Wednesday night,
- Some AM clouds, sunny and a bit warmer Thursday afternoon, mostly clear at night,
- Partly cloudy and a bit warmer Friday, partly cloudy Friday night,
- Mostly cloudy start, then partly cloudy and a bit cooler Saturday afternoon.
- highs 62-63 cooling back to 62 Saturday lows near 43.
- (seasonal averages high 59 low 46). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy this evening, partly cloudy late tonight,
- Sunny and warmer Sunday, clear Sunday night,
- Sunny and warmer Monday, then mostly clear at night,
- Sunny and a bit warmer Tuesday, clear Tuesday night.
- free air freezing level 5, 500 ft. falling to 4,500 ft. tonight, 4,000 ft. rising to 6,000 ft. Sunday afternoon, 7,500 ft. rising to 9,000 ft. late Sunday night, 10,000 ft. rising to 11,000 ft. Monday, 12,000 ft. Monday night, then 13,000 ft. Tuesday and Tuesday night.
- lows 26-42 highs 49-69.
- Sunny and a bit cooler Wednesday, partly cloudy with a slight (20%) chance of evening showers, mostly clear with a slight (20%) chance of showers Wednesday night,
- Mostly sunny and a bit cooler Thursday, mostly clear at night,
- Sunny and a bit warmer Friday, partly cloudy Friday,
- Then mostly sunny and a bit cooler Saturday.
- free air freezing level 11,000 ft. Wednesday, snow level above 7,500 ft. Wednesday night, free air freezing level 11000 ft. Thursday, then 12,000 ft. Thursday night through Saturday.
- highs 66-64 warming to 69 Friday cooling to 64 Wednesday warming to 68 Friday cooling to 66 Saturday lows 42-40.