The Upper Level High Pressure Ridge (“Arch” shape) is moving away from the Pacific Northwest and an Upper Level Low Pressure Trough (“U” shape) takes over. The graphics for days 1-3 show the frontal system that will move through Oregon this weekend. The graphics for days 3-7 Monday through Friday show the frontal systems that will be heading our way through the period. __________
ADVISORIES:
- NONE AT THIS TIME.
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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.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Clouds and sun with a good (50%) chance of AM rain, a mix of clouds and sun with rain and a bit warmer this afternoon (0.25 in. of rain possible), rain tonight (0.75 in. of rain possible),
- Mostly cloudy and a bit cooler with rain Sunday, rain at night,
- Mostly cloudy with rain Monday, then rain with a slight (20%) chance of thunderstorms Monday night.
- highs 56-60 lows 45-43 cooling back to 45 Monday night.
- Mostly cloudy with AM rain likely (70%), mostly sunny and a bit cooler with rain likely (70%) Tuesday afternoon, mostly cloudy in the evening, partly cloudy late Tuesday night,
- Mostly sunny and a bit warmer Wednesday, partly cloudy with a slight (20%) chance of rain at night,
- A mix of clouds and sun with a (30%) chance of rain Thursday, partly cloudy Thursday night,
- Then mostly sunny and a bit warmer Friday.
- highs 62-56 warming to 59 Thursday lows 45-38. (seasonal averages high 53 low 35)
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 (30%) chance of rain tonight (under 0.10 in. of rain possible),
- Mostly cloudy with a good (50%) chance of AM rain, rain and a bit warmer Saturday afternoon (under 0.10 in. of rain possible), rain Saturday night (0.25 in. of rain possible),
- Mostly cloudy and a bit cooler with rain Sunday, rain Sunday night,
- Mostly cloudy and a bit cooler with rain Monday and at night,
- Mostly cloudy with a good (50%) chance of AM rain, partly cloudy and a bit cooler with a good (50%) chance of rain Tuesday afternoon, mostly clear and colder Tuesday night.
- highs 63-62 lows 45-53 cooling to 45 Monday night.
- Mostly sunny and a bit warmer Wednesday, partly cloudy with a slight (20%) chance of showers Wednesday night,
- Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy with a slight (20%) chance of showers Thursday afternoon and evening, just partly cloudy Thursday night,
- Some AM clouds, then sunny Friday.
- highs 59-65 lows 38-42 Wednesday night. (seasonal averages high 55 low 38)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a (30%) chance of rain tonight (under 0.10 in. of rain possible),
- Mostly cloudy with AM rain, rain and a bit warmer Saturday afternoon, widespread inland fog, rain and breezy (Coastal Wind: S 20-3o mph gusts to 40 mph late while Inland Wind: S 20-30 mph decreasing to S 10-20 mph gusts to 40 mph late), Saturday night,
- Mostly cloudy and a bit cooler with rain and breezy Sunday (Coastal Wind: S 20-30 mph gusts to 40 mph late while Inland Wind: S 20-30 mph decreasing to S 10-20 mph gusts to 40 mph late), rain Sunday night and breezy (Coastal Wind S 20-30 mph decreasing to S 10-20 mph late while Inland Wind: S 10-20 mph).
- lows 45-49 highs 62-58 warming to 60 Monday.
- Mostly cloudy with rain and breezy Monday, rain Monday night,
- Mostly cloudy with a good (50%) chance of AM rain, sunny and a bit cooler with a good (50%) chance of rain Tuesday afternoon, becoming mostly clear at night
- AM sun, partly cloudy and a bit warmer Wednesday afternoon, mostly cloudy with a slight (20%) chance of showers Wednesday night,
- Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Thursday night,
- Then partly cloudy and slightly warmer with a slight (20%) chance of showers Friday.
- highs 57-62 lows 37-40. (seasonal averages high 54 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- A mix of clouds and sun with a good (50%) chance of AM rain, mostly cloudy and a bit warmer with rain likely (70%) t his afternoon, rain tonight,
- Mostly cloudy with rain and a bit warmer Sunday, rain at night,
- Mostly cloudy and a bit warmer with rain Monday, rain with snow with a slight (20%) chance of thunderstorms and breezy Monday night.
- snow level 6,500 ft. rising to 7,500 ft. this afternoon, above 8,000 ft. tonight, 6,600 ft. Sunday and Sunday night, Monday, then 4,500 ft. Monday night.
- highs 47-38 warming to 50 lows 40-30.
- Mostly cloudy with a good (50%) chance of AM rain, mostly sunny with a good (50%) chance of rain and snow and a bit cooler Tuesday afternoon, mostly clear at night,
- Sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
- A mix of clouds and sun and a bit warmer with a (30%) chance of rain and snow Thursday, partly cloudy with a slight (20%) chance of rain Thursday night,
- Then sunny and slightly (20%) warmer Friday.
- snow level 8,000 ft. Sunday, 6,500 ft. Sunday night and Monday, 5,000 ft. Monday night, 4,000 ft. Tuesday, free air freezing level 6,000 ft. Tuesday night, 10,000 ft. Wednesday 11,000 ft. Wednesday night, snow level 6,000 ft. Thursday and Thursday night, then free air freezing level 11,000 ft. Friday.
- highs 47-38 warming to 50 Friday lows 32-26 warming to 30 Wednesday night.