An Upper Level High Pressure Ridge (“Arch” shape) Known as a “Omega Block” is keeping our weather pattern stuck. The graphics for days 1-3 show the weak cold front that slipped under the ridge pushing into the Willamette Valley Wednesday. The graphics for days 3-7 Sunday through Thursday show a complex frontal system moving into Oregon Monday, then a complex frontal system will be offshore next Thursday.
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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:
- Sunny, a bit cooler today, mostly clear tonight,
- Mostly sunny and a bit warmer Friday, mostly cloudy in the evening, partly cloudy late at night,
- A mix of clouds and sun and a bit cooler Saturday, then mostly cloudy Saturday night.
- highs 68-74 cooling to 70 Saturday lows 42-47.
- Mostly cloudy and a bit cooler with showers likely (70%) Sunday, mostly cloudy with showers likely (70%) late Sunday night,
- A mix of clouds and sun and a bit cooler with showers Monday, a good (50%) chance of showers at night,
- A mix of clouds and sun and a bit warmer with a (40%) chance of showers Tuesday, mostly cloudy with a slight (20%) chance of showers Tuesday night,
- Then a mix of clouds and sun with a slight (20%) chance of showers Wednesday.
- highs 63-59 warming to 62 Wednesday lows 46-43. (seasonal averages high 67 low 43).
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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:
- Some AM clouds, sunny and and a bit cooler this afternoon, mostly clear Ttonight,
- Sunny and a bit warmer Friday, partly cloudy at night,
- Mostly cloudy and a bit cooler Saturday, then mostly cloudy with a slight (20%) chance of rain late Saturday night.
- highs 73-80 cooling to 75 Saturday lows 46-49.
- Mostly cloudy and cooler with a (30%) chance of rain Sunday, mostly cloudy with showers likely (70%) Sunday night,
- Mostly cloudy with AM showers likely (70%), a bit cooler with showers likely (70%) and a slight (20%) of thunderstorms Monday afternoon, a (0%) chance of showers at night,
- Mostly cloudy with a (30%) chance of showers and a bit warmer Tuesday, a slight (20%) chance of evening showers, just mostly cloudy Tuesday night,
- Then mostly cloudy and a bit warmer Wednesday.
- highs 67-63 warming to 66 Wednesday lows 48-46. (seasonal averages high 70 low 47).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Some AM clouds, sunny and slightly warmer this afternoon, mostly clear tonight,
- Some AM clouds, sunny Friday afternoon, partly cloudy in the evening, mostly cloudy late at night,
- Mostly cloudy Saturday, then mostly cloudy with a slight (20%) chance of showers Saturday night.
- highs near 63 lows 42-45.
- Mostly cloudy with a (40%) chance of showers and a bit cooler Sunday, showers likely (70%) Sunday night,
- Mostly cloudy with AM showers likely (70%), showers likely (70%) and a bit cooler with a slight (20%) chance of thunderstorms Monday afternoon, a (40%) chance of showers at night,
- Mostly cloudy with a (30%) chance of showers Tuesday, just mostly cloudy Tuesday night,
- Then mostly cloudy and a bit warmer Wednesday.
- highs near 60 lows 45-44.
- (seasonal averages high 60 low 47). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit cooler today, mostly clear tonight,
- Mostly sunny and a bit warmer Friday, mostly cloudy at night,
- A mix of clouds and sun and a bit cooler Saturday, mostly cloudy with a slight (20%) chance of showers Saturday night.
- free air freezing level 10,000 ft. rising to 11,000 ft. this afternoon, 11,000 ft. rising to 12,000 ft. tonight, 12,000 ft. Friday and Friday night, 11,000 ft. Saturday, then snow level 7,000 ft. Saturday night.
- highs 65-70 cooling to 63 Saturday lows 40-42 cooling to 38 Friday night.
- AM clouds and sun with a (30%) chance of AM with a good (50%) chance of rain and snow showers, mostly cloudy and cooler with a good (50%) chance of rain and snow showers Sunday afternoon, mostly cloudy with rain and snow showers Sunday night,
- Mostly cloudy and a bit cooler with rain and snow showers Monday, a good (50%) chance of rain and snow showers at night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow showers Tuesday, a (40%) chance of rain showers and aslifght (20%) chance of snow showers Tuesday night,
- Partly cloudy with a (30%) chance of rain showers and a slight (20%) chance of snow showers and a bit warmer Wednesday afternoon.
- snow level 6,000 ft. Sunday, 5,000 ft. Sunday night, 4,500 ft. Monday through Tuesday, then 5,500 ft. Tuesday night and Wednesday.
- highs 50-42 warming to 46 Wednesday lows 34-32.