An Upper Level High Pressure Ridge (“Arch” shape) is slowly moving toward the Pacific Coast. Out ahead of it a moist airflow and cold front will be bringing rain chances. The graphics for days 1-3 show a cold front moving through the Pacific Northwest Monday. The graphics for days 3-7 Wednesday through Sunday show a complex frontal system sliding through Oregon between Saturday and next Sunday.
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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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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- A mix of clouds and sun with a slight (20%) chance of showers and slightly cooler this afternoon, partly cloudy with a good (50%) chance of showers late tonight (under 0.10 in. of rain possible),
- Mostly cloudy with a good (50%) chance of AM showers, showers and a bit warmer Monday afternoon (0.10 in. of rain possible), mostly cloudy with a good (50%) chance of evening showers, a slight (20%) chance of showers late at night,
- A mix of clouds and sun and a bit warmer Tuesday, then mostly clear Tuesday night.
- highs 62-66 lows 45-42.
- Mostly sunny and a bit warmer Wednesday, mostly cloudy in the evening, partly cloudy late Wednesday night,
- Sunny and a bit warmer Thursday, partly cloudy at night,
- A mix of clouds and sun and a bit cooler Friday, partly cloudy Friday night,
- Then mostly sunny and a bit warmer Saturday.
- highs 68-70 cooling to 68 Friday warming to 72 Saturday lows 43-45. (seasonal averages high 69 low 44).
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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:
- Mostly cloudy with patchy AM fog, partly cloudy this afternoon, partly cloudy tonight,
- Mostly cloudy with a (3o%) chance of showers and a bit warmer Monday under (0.10 in. of rain possible), a slight (20%) chance of showers at night,
- AM clouds, sunny and a bit warmer Tuesday afternoon, then mostly clear Tuesday night.
- highs 65-68 lows 48-44.
- Partly cloudy and a bit warmer Wednesday, partly cloudy Wednesday night,
- Partly cloudy and a bit warmer Thursday, mostly clear in the evening, partly cloudy late at night,
- Partly cloudy and a bit cooler Friday, partly cloudy Friday night,
- Some AM clouds, then sunny and a bit warmer Saturday afternoon.
- highs 74-75 cooling to 72 Friday warming 77 Saturday lows 46-48. (seasonal averages high 72 low 48).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy start, partly cloudy and a bit warmer this afternoon, mostly cloudy tonight,
- Mostly cloudy with AM coastal showers likely (70%) and a bit cooler with a good (50%) chance of coastal showers Monday afternoon while a (40%) chance of inland showers Monday (0.10 in. of rain possible), a slight (20%) chance of showers at night.
- AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear in the evening, then partly cloudy late Tuesday night.
- highs 62-60 warming to 63 Tuesday lows 46-43.
- Partly cloudy and a bit warmer Wednesday, partly cloudy Wednesday night,
- Partly cloudy Thursday through Friday night,
- Then partly cloudy and a bit warmer Saturday.
- highs 64-63 warming to 66 Saturday lows 44-45.
- (seasonal averages high 61 low 48). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with a (50%) of AM rain and snow showers, a mix of clouds and sun with a good (50%) chance of rain and snow showers and a bit cooler this afternoon (0.25 in. of rain possible, 2 in. of snow possible), mostly cloudy this evening, partly cloudy with a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
- A mix of clouds and sun and warmer with a good (50%) chance of rain and snow showers Monday, mostly cloudy with a showers likely (70%) at night,
- AM clouds and sun, sunny and a bit warmer Tuesday afternoon, then mostly clear Tuesday night.
- snow level 4,000 ft. today, 5,000 ft. tonight, 7,000 ft. Monday, 6,500 ft. falling to 5,500 ft. Monday night, free air freezing level 7,000 ft. Tuesday, then 9,000 ft. Tuesday night.
- highs 54-42 lows 32-35 cooling to 33 Tuesday night.
- Mostly sunny and warmer Wednesday, mostly cloudy in the evening, partly cloudy late Wednesday night,
- Sunny and a bit cooler Thursday, mostly clear in the evening, partly cloudy at night,
- Mostly sunny and a bit cooler Friday, partly cloudy with a slight (20%) chance of showers Friday night,
- Then mostly sunny and a bit warmer Saturday.
- free air freezing level 10,000 ft. Wednesday,8,000 ft. Wednesday night, 8,000 ft. Thursday, 10,000 ft. Thursday night, 8,000 ft. Friday, snow level 7,000 ft., then free air freezing level 11,000 ft. Saturday.
- highs 56-62 cooling to 60 Thursday lows 30-37 cooling to 34 Tuesday night warming to 36 Wednesday night.