An Upper Level High Pressure Ridge (“Arch” shape) is slowly moving in bringing more sunshine. The graphics for days 1-3 show a frontal system sliding through the Pacific Northwest Monday. The graphics for days 3-7 Wednesday through Sunday show a complex frontal system sliding through Oregon between Thursday and Friday with another front offshore Saturday to move in 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:
- Mostly cloudy start, a mix of clouds and sun and a bit warmer this afternoon (Memorial Day), partly cloudy this evening, clearing late tonight,
- Sunny and a bit warmer Tuesday, mostly clear late at night,
- Sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
- highs 70-82 lows 44-52 cooling to 50 Wednesday night.
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy in the evening, clearing Thursday night,
- Sunny and a bit warmer Friday, clear at night,
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Then mostly sunny and a bit cooler Sunday.
- highs 78-84 cooling to 76 Sunday lows 50-52 cooling back to 50 Saturday night. (seasonal averages high 70 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:
- Mostly cloudy with a slight (20%) chance of AM showers, just mostly cloudy a bit cooler this afternoon, partly cloudy tonight,
- Sunny and warmer Tuesday, mostly clear at night,
- Sunny and a bit warmer Wednesday, mostly clear Wednesday night.
- highs 70-84 cooling to 82 Wednesday lows 48-58 cooling to 54 Wednesday night.
- AM sun with a slight (20%) chance of showers, sunny Thursday afternoon, mostly clear Thursday night,
- Mostly sunny and a bit warmer Friday, clear at night,
- Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
- Then partly cloudy and cooler Sunday.
- highs 87-82 warming to 92 Saturday lows 55-53 warming to 56 Friday night. (seasonal averages high 73 low 5).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, mostly cloudy and slightly cooler this afternoon (Memorial Day), partly cloudy with patchy fog late tonight,
- Patchy AM coastal fog, sunny and a bit warmer Tuesday, mostly clear with patchy coastal fog late at night while areas of inland fog late Tuesday night,
- Patchy AM fog, sunny and a bit cooler Wednesday, mostly clear in the evening, partly cloudy late Wednesday night.
- highs 62-70 cooling to 65 Wednesday lows 45-52 cooling to 50 Wednesday night.
- Partly cloudy with patchy AM fog a slight (20%) chance of AM showers, partly cloudy and a bit warmer Thursday afternoon, just partly cloudy Thursday night,
- Mostly sunny and a bit warmer Friday, mostly clear at night,
- Mostly sunny Saturday, partly cloudy Saturday night,
- Then partly cloudy and a bit cooler Sunday.
- highs 69-72 cooling to 66 Sunday lows 50-49.
- (seasonal averages high 62 low 49). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with a slight (20%) chance of AM showers, mostly sunny and a bit warmer this afternoon (Memorial Day), just partly cloudy tonight,
- Sunny and warmer Tuesday, mostly clear Tuesday night,
- Sunny and a bit warmer Wednesday, then partly cloudy with a slight (20%) chance of showers Wednesday night.
- snow level 6,500 ft. today, free air freezing level 11,000 ft. rising to 12,000 ft. tonight, 13,000 ft. rising to 14,000 ft. Tuesday afternoon, 14,000 ft. Tuesday night and Wednesday, then snow level above 8,000 ft. Wednesday night,
- highs 57-79 lows 38-49 cooling to 47 Wednesday night.
- Mostly sunny and cooler with a slight (20%) chance of showers Thursday, partly cloudy in the evening, mostly clear late at night,
- Sunny and warmer Friday, clear Friday night,
- Sunny and a bit warmer Saturday, partly cloudy with a slight (20%) chance of evening showers, mostly clear with a slight (20%) chance of showers late Saturday night,
- Then mostly sunny and cooler Sunday.
- snow level above 8,000 ft. Thursday, free air freezing level 15,000 ft. Thursday night and Friday, 16,000 ft. Friday night, 15,000 ft. Saturday, snow level above 8,000 ft. Saturday night, then free air freezing level 13,000 ft. Sunday.
- highs 68-82 cooling 67 Sunday lows 47-45 warming to 50 Friday night cooling to 48 Saturday night.