An Upper Level Low Pressure Trough (“U” shape) has taken over our weather pattern for a while. The graphics for days 1-3 show the weak cold front moving through the Pacific Northwest Wednesday. The graphics for days 3-7 Friday through Tuesday show a complex frontal system to our northwest Friday then sliding through Oregon Saturday. Another front will be to our northwest next Tuesday.
_______________
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.
_______________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy with a good (50%) chance of evening showers (under 0.10 in. of rain possible), just mostly cloudy late tonight,
- Mostly cloudy with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Tuesday afternoon, mostly cloudy with a slight (20%) of showers Tuesday night,
- AM clouds with a slight (20%) chance of showers, partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, partly cloudy in the evening, mostly cloudy late at night,
- A mix of clouds and sun and a bit warmer Thursday, then mostly cloudy Thursday night.
- lows 46-42 warming to 44 Thursday night highs 62-66.
- Mostly sunny and a bit warmer Friday, mostly cloudy with a good (50%) chance of showers Friday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of showers Saturday, mostly cloudy with a good (50%) chance of showers and a slight (20%) chance of thunderstorms at night,
- A mix of clouds and sun with a slight (20%) chance of showers Sunday, just partly cloudy Sunday night,
- Then mostly sunny and a bit warmer with a slight (20%) chance of showers Monday.
- highs 70-65 warming to 69 Monday lows 49-44 night. (seasonal averages high 68 low 44).
_______________
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)
________________
Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a good (50%) chance of showers tonight with patchy dense fog late tonight,
- Mostly cloudy with patchy dense AM fog, mostly cloudy and a bit warmer with a (30%) chance of showers Tuesday, just mostly cloudy Tuesday night,
- Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, mostly cloudy and a bit warmer Wednesday afternoon, partly cloudy in the evening, mostly cloudy late Wednesday night,
- Partly cloudy and a bit warmer Thursday, mostly cloudy Thursday night.
- lows 48-44 warming to 46 Thursday night highs near 62.
- Mostly cloudy start, partly cloudy and a bit warmer Friday afternoon, mostly cloudy with a slight (20%) of showers late Friday night,
- Mostly cloudy with a slight (20%) chance of showers Saturday and at night,
- AM clouds with a slight (20%) chance of showers, partly cloudy Sunday afternoon and Sunday night,
- Some AM clouds, then mostly sunny with a slight (20%) chance of showers Monday afternoon.
- highs 75-66 warming to 73 Monday lows 50-46 (seasonal averages high 70 low 47).
_______________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a slight (20%) chance of evening coastal showers and a slight (20%) chance of coastal showers late tonight while a (40%) chance of inland showers tonight, patchy evening fog continuing overnight tonight,
- Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, just mostly cloudy and a bit warmer Tuesday afternoon, mostly cloudy with a slight (20%) chance of coastal showers late at night, patchy fog late Tuesday night,
- Mostly cloudy with patchy AM coastal fog and a slight (20%) chance of coastal showers and partly cloudy Wednesday afternoon while mostly cloudy with patchy AM inland fog and a slight (20%) chance of inland showers and partly cloudy inland Wednesday afternoon, mostly cloudy late Wednesday night,
- Mostly cloudy Thursday, then mostly cloudy Thursday night.
- lows 45-42 warming to 44 Thursday night highs near 62.
- Mostly cloudy and a bit warmer Friday afternoon, mostly cloudy with a slight (20%) chance of showers late Friday night,
- Mostly cloudy and a bit cooler with a (40%) chance of showers Saturday, with a slight (20%) chance of showers at night,
- Mostly cloudy with a slight (20%) chance of AM showers, just partly cloudy Sunday afternoon, partly cloudy Sunday night,
- Partly cloudy and a bit warmer with a slight (20%) chance of showers Monday.
- highs 64-62 warming back to 64 Monday lows 48-45.
- (seasonal averages high 60 low 47). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with evening rain showers likely (70%) and a good (50%) chance of snow showers ( 0.25 in. of rain possible, 1 in. of snow possible), with a (30%) chance of thunderstorms, rain and snow showers late tonight (0.25 in.of rain possible, more in storms, 2 in. of snow possible),
- Mostly cloudy with a (% ) chance of AM rain showers and snow showers, showers likely (70%) Tuesday afternoon (0.10 in. of rain possible, little or no snow accumulation expected), evening showers likely (70%), a slight (20%) chance of rain and snow showers late Tuesday night (0.10 in. of rain possible, little or no snow accumulation expected),
- Mostly cloudy with a (30%) chance of AM snow showers and rain showers, mostly cloudy with a good (50%) chance of showers and a bit warmer Wednesday afternoon, a (30%) chance of evening showers, just mostly cloudy late at night,
- A mix of clouds and sun and warmer Thursday, then mostly cloudy with a slight (20%) chance of showers Thursday night.
- snow level 5,000 ft. tonight and Tuesday, 6,000 ft. falling to 5,000 ft. late Tuesday night, 4,500 ft. rising to 5,500 ft. Wednesday afternoon, free air freezing level 6,000 ft. Wednesday evening, 9,000 ft. Thursday, then snow level 6,500 ft. Thursday night.
- lows 33-32 warming to 35 highs 42-54.
- A mix of clouds and sun, and a bit warmer Friday, mostly cloudy with a showers likely (70%) Friday night,
- Mostly cloudy and a bit cooler with showers likely (70%) Saturday, mostly cloudy with showers likely (70%) and possible snow showers and thunderstorms at night,
- A mix of clouds and sun with a (30%) chance of snow showers and a slight (20%) chance of rain showers Sunday, a slight (20%) chance of showers Sunday night,
- Then mostly cloudy and a bit warmer with a slight (20%) chance of rain and snow showers Monday.
- free air freezing level 7,500 ft. Friday, snow level 7,000 ft. Friday night, 6,500 ft. Saturday, 5,500 ft. Saturday night, 5,000 ft. Sunday, 6,000 ft Sunday night, then 6,500 ft. Monday.
- highs 56-57 cooling to 5o Sunday warming to 52 Monday lows 37-38 cooling to 34 Saturday night.