An Upper Level Low Pressure Trough (“U” shape) moves in to push multiple frontal systems through the Pacific Northwest. The graphics for days 1-3 show another frontal system moving through the Pacific Northwest Thursday. The graphics for days 3-7 Saturday through Wednesday show the potential frontal activity through the period with a cold front pushing through Oregon between Tuesday and next Wednesday.
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ADVISORIES:
- A FLOOD WARNING FOR SNOW MELT IS IN EFFECT THROUGH SUNDAY AFTERNOON FOR THE SILVIES RIVER NEAR BURNS AFFECTING HARNEY COUNTY.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- A mix of clouds and sun this AM, mostly cloudy with rain likely (70%) this afternoon (under 0.10 in. of rain possible), mostly cloudy with evening showers likely (70%), a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Friday afternoon, partly cloudy with a slight (20%) chance of evening showers, at night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain Saturday, mostly cloudy with a slight (20%) chance of evening showers, then becoming partly cloudy with a slight (20%) chance of showers late Saturday night.
- highs 66-57 lows 44-35 .
- Sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
- Mostly sunny and a bit warmer Monday, mostly cloudy in the evening, partly cloudy late at night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Tuesday, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain late Tuesday night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of showers Wednesday.
- highs 62-69 cooling to 62 Wednesday lows 38-44 cooling to Tuesday night 42. (seasonal averages high 60 low 39).
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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 patchy AM dense fog, mostly cloudy and a bit warmer with a (40%) chance of rain this afternoon (under 0.10 in. of rain possible), cloudy with a good (50%) chance of rain tonight (under 0.10 in. of rain possible, snow level 3,500 ft late at night),
- Mostly cloudy with a slight (20%) chance of rain and cooler Friday (snow level 3,000 ft.), a slight (20%) chance of evening rain, partly cloudy with a slight (20%) chance of rain late at night, areas of frost late at night,
- Partly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, then mostly clear with areas of frost late Saturday night.
- highs 72-58 lows 46-36.
- Areas of AM frost, mostly sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
- Partly cloudy and warmer Monday afternoon, mostly cloudy at night,
- Mostly cloudy start, partly cloudy and a bit cooler with a slight (20%) chance of rain Tuesday afternoon and Tuesday night,
- Then partly cloudy and a bit cooler with a slight (20%) chance of rain Wednesday.
- highs 66-75 cooling to 65 Wednesday lows 40-45 cooling to 43 Tuesday night. (seasonal averages high 62 low 42).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a slight (20%) chance of AM coastal rain and coastal rain, rain likely (70%) and a bit warmer this afternoon (0.10 in. of rain possible), cloudy with a (40%) chance of evening coastal rain while a good (50%) chance of inland rain tonight (under 0.10 in. of rain possible), patchy fog late at night,
- Mostly cloudy at the shore while mostly cloudy with patchy fog and a slight (20%) chance of inland AM rain, just mostly cloudy and a bit cooler Friday afternoon, partly cloudy at night,
- Partly cloudy with a slight (20%) chance of AM rain, sunny and a bit warmer Saturday afternoon and evening, then mostly clear with areas of frost late Saturday night.
- highs 64-55 warming to 57 Saturday lows 44-37.
- Sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy Sunday night,
- Mostly cloudy and a bit warmer Monday, mostly cloudy at night,
- Mostly cloudy start, partly cloudy and a bit cooler with a slight (20%) chance of rain Tuesday afternoon, mostly cloudy with a slight (20%) chance of rain Tuesday night,
- Mostly cloudy with a slight (20%) chance of AM rain, then just partly cloudy and a bit cooler Wednesday afternoon.
- highs 62-65 cooling to 58 Wednesday lows 43-45 cooling to 42 Tuesday night.
- (seasonal averages high 56 low 43). _______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly sunny and a bit warmer with rain likely (70%) this afternoon (0.25 in. of rain possible), cloudy with evening showers, a good (50%) of rain and snow showers late tonight (0.25 in. of rain possible),
- Mostly cloudy with a good (50%) chance of AM rain and snow showers, a mix of clouds and sun and cooler with a good (50%) chance of rain and snow showers Friday afternoon and evening, mostly cloudy with a slight (20%) chance of rain and snow at night,
- A mix of clouds and sun with a (40%) chance of snow and rain and a bit cooler Saturday, partly cloudy with a slight (20%) chance of evening snow showers , then slow clearing with a slight (20%) chance of snow late Saturday night.
- snow level 7,000 ft. today, 7,000 ft. falling to 5,000 ft. late tonight, 3,500 ft. Friday, 4,000 ft. falling to 3,000 ft. late Friday night, 2,500 ft. Saturday, then 3,500 ft. Saturday night.
- highs 56-39 lows 35-24.
- Mostly sunny and warmer Sunday, mostly clear Sunday night,
- Mostly sunny and a bit warmer Monday, mostly cloudy in the evening, partly cloudy late at night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain and snow Tuesday, mostly cloudy with a (30%) chance of rain and slight (20%) chance of snow Tuesday night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of rain and snow showers Wednesday.
- free air freezing level 6,500 ft. Sunday, 10,000 ft. Sunday night, 11,000 ft. Monday and Monday night, snow level 6,500 ft. Tuesday, 6,000 ft. Tuesday night, then 5,500 ft. Wednesday.
- highs 52-60 cooling to 50 Wednesday lows 24-37 cooling to 33 Tuesday night.