An Upper Level High Pressure Ridge (“Arch” shape) really heats us up Thursday. The graphics for days 1-3 show the a cold front pushing into the Willamette Valley Friday. The graphics for days 3-7 Saturday through Wednesday show cold front that will be pushing through the Pacific Northwest between Friday and Saturday. Then another complex frontal system will be approaching the Pacific Coast Monday then moving through between Tuesday and next Wednesday.
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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:
- Clear tonight,
- Sunny and warmer Thursday, clear Thursday night,
- Mostly sunny and cooler with a slight (20%) chance of showers Friday afternoon, mostly cloudy with a good (50%) chance of evening showers, showers likely (70%) late at night,
- Mostly cloudy with a good (50%) chance of AM showers, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers Saturday afternoon, partly cloudy in the evening, then mostly clear Saturday night.
- lows 42-48 cooling to 39 Saturday night highs 80-62.
- Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
- Sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy Tuesday night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of showers Wednesday.
- highs 63-75 cooling to 72 Wednesday lows 39-46. (seasonal averages high 65 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:
- Clear tonight,
- Sunny and warmer Thursday, clear with patchy fog late Thursday night,
- AM sun, partly cloudy and cooler with a slight (20%) chance of rain Friday afternoon, evening rain likely (70%), clear with patchy fog late at night,
- Mostly cloudy and much cooler with a good (50%) chance of rain Saturday, then just partly cloudy Saturday night.
- lows 44-49 cooling to 42 Saturday night highs 84-60.
- Partly cloudy and a bit warmer Sunday, mostly clear Sunday night,
- Mostly sunny and warmer Monday and Tuesday, mostly clear both nights,
- Then partly cloudy and a bit cooler with a slight (20%) chance of rain Wednesday afternoon.
- highs 64-79 cooling to 75 Wednesday lows 42-49. (seasonal averages high 68 low 45).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear this evening, partly cloudy late tonight with patchy fog late tonight,
- Patchy AM coastal fog, sunny and a bit warmer Thursday afternoon, mostly clear in the evening with areas of coastal fog through the night while patchy inland evening fog and areas of inland fog, partly cloudy with patchy fog Thursday night,
- Areas of AM coastal fog and mostly cloudy and a bit cooler with a (40%) chance of rain Friday afternoon while partly cloudy with patchy AM inland fog and mostly cloudy with a (30%) chance of inland rain Friday afternoon, rain likely (70%) at night,
- Mostly cloudy with a (30%) chance of AM rain, partly cloudy and a bit cooler with a (30%) chance of rain Saturday afternoon, then mostly clear with a slight (20%) chance of rain Saturday night.
- lows 42-44 cooling back to 42 Saturday night highs 65-57.
- Mostly sunny and a bit warmer Sunday and Monday, mostly clear both nights,
- Mostly cloudy start, partly cloudy and a bit warmer Tuesday afternoon and Tuesday night,
- Mostly cloudy with a slight (20%) chance of AM rain, then partly cloudy and a bit cooler with a slight (20%) chance of rain Wednesday afternoon.
- highs 59-64 cooling to 62 Wednesday lows 42-45.
- (seasonal averages high 59 low 46). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Clear tonight,
- Sunny and warmer Thursday, clear Thursday night,
- AM sun, a mix of clouds and sun a bit cooler with a (40%) chance of showers and a slight (20%) chance of thunderstorms Friday afternoon, evening showers with a slight (20%) chance of thunderstorms, a slight (20%) chance of snow showers late at night,
- Mostly cloudy with rain and snow showers likely (70%) and much cooler Saturday, then mostly cloudy with a good (50%) chance of rain and snow showers Saturday night.
- free air freezing level 11,000 ft. rising to 12,000 ft. late tonight, 13,000 ft. Thursday, 12,000 ft. Thursday night, snow level above 8,000 ft. Friday, above 8,000 ft. falling to 7,000 ft. late Friday night, 5,000 ft. Saturday, then 4,000 ft. Saturday night.
- lows 38-42 cooling to 27 Saturday night highs 70-40.
- Mostly sunny and a bit warmer Sunday, mostly clear Sunday night,
- Sunny and warmer Monday and Tuesday, mostly clear both nights,
- Then mostly sunny and a bit cooler with a sight (20%) chance of showers Wednesday.
- snow level free air freezing level 4,500 ft. Sunday, 7,500 Sunday night, 11,000 ft. Monday,13,000 ft. Monday night, 12,000 ft. Tuesday and Tuesday night, then snow level above 8,000 ft. Wednesday.
- highs 47-67 cooling to 64Wedsnesday lows 34-29 warming to 35 Monday night.