An Upper Level High Pressure Ridge (“Arch” shape) has moved through the Pacific Northwest. The graphics for days 1-3 show the cold front that moved through the Pacific Northwest Monday. The graphics for days 3-7 Friday through Tuesday show a complex frontal system sliding through Oregon between Saturday and next Sunday. Another front will push through next Monday.
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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:
- AM clouds and sun with a slight (20%) chance of showers, a mix of clouds and sun and warmer this afternoon, partly cloudy tonight,
- Mostly sunny and a bit warmer Wednesday, mostly cloudy with a slight (20%) chance of showers at night,
- A mix of clouds and sun Thursday, then partly cloudy Thursday night
- lows 42-46 cooling to 44 Thursday night highs 64-68.
- A mix of clouds and sun Friday, partly cloudy with a slight (20%) chance of showers Friday night,
- Mostly sunny and a bit warmer with a slight (20%) chance of showers Saturday, mostly clear at night,
- Mostly sunny and a bit warmer with a slight (20%) chance of showers Sunday, partly cloudy with a slight (20%) chance of showers Sunday night,
- Then a mix of clouds and sun and a bit cooler with a (30%) chance of showers Monday (Memorial Day).
- highs 70-68 warming to 76 Sunday lows near 44. (seasonal averages high 69 low 45).
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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:
- AM clouds with a slight (20%) chance of showers, just partly cloudy and a bit cooler this afternoon, partly cloudy tonight,
- Partly cloudy and a bit warmer Wednesday, mostly cloudy with a slight (20%) chance of showers, at night,
- Some AM clouds, sunny Thursday afternoon, mostly clear in the evening, then partly cloudy late Thursday night.
- highs 66-72 lows 43-49 cooling to 47 Thursday night.
- Mostly cloudy start, partly cloudy and a bit cooler Friday afternoon, mostly cloudy with a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late Friday night,
- Partly cloudy with a slight (20%) chance of AM showers, just partly cloudy and a bit warmer Saturday afternoon, mostly clear at night,
- Partly cloudy and a bit warmer with a slight (20%) chance of showers Sunday and Sunday night,
- Then mostly cloudy and a bit cooler with a (30%) chance of showers Monday.
- highs 72-80 cooling to 77 Monday lows 48-52. (seasonal averages high 72 low 49).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- AM clouds with a slight (20%) chance of showers, sunny at the coast this afternoon while partly cloudy this afternoon inland, partly cloudy tonight,
- Sunny start, mostly cloudy and a bit warmer Wednesday afternoon, mostly cloudy with a slight (20%) chance of showers, patchy fog late at night,
- AM clouds with patchy fog, partly cloudy Thursday, then partly cloudy Thursday night.
- highs 62-64 lows 42-46 cooling to 45 Thursday night.
- Mostly cloudy Friday, mostly cloudy with a slight (20%) chance of showers Friday night,
- Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy Saturday afternoon, mostly clear in the evening, partly cloudy late at night,
- Some AM clouds with a slight (20%) chance of showers, mostly sunny and a bit warmer with a slight (20%) chance of showers Sunday afternoon, mostly cloudy with a (40%) chance of showers Sunday night,
- Then mostly cloudy with a (40%) chance of showers Monday (Memorial Day).
- highs 63-67 cooling to 66 Monday lows 45-48.
- (seasonal averages high 61 low 49). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- AM clouds and sun with a good (50%) chance of rain and snow showers, a mix of clouds and sun and warmer this afternoon, just partly cloudy tonight,
- Mostly sunny and warmer Wednesday, mostly cloudy with a good (50%) chance of showers at night,
- Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon, then just partly cloudy Thursday night.
- snow level 4,500 ft. today, free air freezing level 6,500 ft. rising to 7,500 ft. late tonight, 9,000 ft. rising to 10,000 ft. Wednesday afternoon, snow level 6,500 ft. Wednesday night and Thursday, then free air freezing level 9,000 ft. Thursday night,
- highs 49-62 cooling to 55 Thursday lows 30-37 cooling to 35 Thursday night.
- Mostly sunny and a bit warmer with a slight (20%) chance of showers Friday, mostly cloudy with a (40%) chance of showers Friday night,
- Mostly sunny and a bit warmer with a slight (20%) chance of showers Saturday, mostly clear at night,
- Sunny and warmer with a slight (20%) chance of showers Sunday, mostly cloudy with a (30%) chance of showers Sunday night,
- A mix of clouds and sun and a bit cooler with a (40%) chance of showers Monday (Memorial Day).
- snow level 6,500 ft. Friday and Friday night, 7,000 ft. Saturday, free air freezing level 11,000 ft. Saturday night, then snow level above 8,000 ft. Sunday through Monday.
- highs 57-72 cooling to 66 Monday lows 30-37 cooling to 34 Tuesday night warming to 36 Wednesday night.