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 today. The graphics for days 3-7 Sunday through Thursday show the potential frontal activity through the period with a cold front pushing through Oregon between Tuesday and Tuesday night. A complex frontal system will be just offshore next Thursday.
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ADVISORIES:
- A FREEZE WATCH IS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING FOR THE UPPER HOOD RIVER VALLEY.
- A FLOOD WARNING FOR SNOW MELT IS IN EFFECT UNTIL FURTHER NOTICE FOR THE SILVIES RIVER NEAR BURNS AFFECTING HARNEY COUNTY.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy with a good (50%) of evening rain (under 0.10 in. of rain possible), , mostly cloudy with patchy fog late tonight,
- Mostly cloudy start, a mix of clouds and sun and cooler Friday, mostly cloudy Friday night,
- Sunny Saturday, mostly clear with areas of frost late at night,
- Areas of AM frost, sunny and a bit warmer Sunday, then partly cloudy Sunday night.
- lows 38-35 warming to 40 Sunday night highs 58-65.
- Mostly sunny and a bit warmer Monday, partly cloudy Monday night,
- Mostly sunny and a bit cooler Tuesday, partly cloudy at night,
- Mostly sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
- Then mostly sunny and a bit warmer Thursday.
- highs 72-68 warming to 70 Thursday lows 44-43. (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 a good (50%) chance of evening rain, mostly cloudy with patchy dense fog late tonight (under 0.10 in. of rain possible, snow level 3,500 ft late at night),
- Mostly cloudy and cooler Friday, mostly cloudy with areas of frost late Friday night,
- Some AM clouds, sunny and a bit warmer Saturday afternoon, clear with areas of frost late at night,
- Areas of AM frost, sunny and a bit warmer Sunday, then mostly clear Sunday night.
- lows 46-36 warming to 42 Sunday night highs 59-69.
- Some AM clouds, sunny and warmer Monday afternoon, mostly clear Monday night,
- Partly cloudy and a bit cooler Tuesday, partly cloudy at night,
- Partly cloudy Wednesday, partly cloudy Wednesday night,
- Then sunny and a bit warmer Thursday.
- highs 77-72 warming to 74 Thursday lows 46-45. (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 (40%) chance of early evening coastal rain while a good (50%) chance of inland evening rain, mostly cloudy with patchy fog late tonight (under 0.10 in. of rain possible), patchy fog late tonight,
- Mostly cloudy and a bit cooler Friday and in the evening, partly cloudy late Friday night,
- Sunny and a bit warmer Saturday, clear with inland areas of frost late at night,
- Mostly sunny and a bit warmer Sunday, mostly clear Sunday night.
- lows 43-38 warming to 43 Sunday night highs 55-63.
- Mostly cloudy and a bit warmer Monday, partly cloudy Monday night,
- Partly cloudy and a bit cooler Tuesday, partly cloudy at night,
- Partly cloudy Wednesday and Wednesday night,
- Then partly cloudy and a bit warmer Thursday.
- highs 65-62 warming to 64 Thursday 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 cloudy with evening rain and freezing rain likely (70%), a slight (20%) of rain late tonight (0.25 in. of rain possible, trace of ice accumulation possible),
- Mostly cloudy start, a mix of clouds and sun and cooler with a (40%) chance of rain Friday afternoon, a (40%) chance of evening rain, snow and freezing rain, mostly cloudy with a slight (20%) chance of rain, freezing rain and snow late Friday night,
- AM mix of clouds and sun, sunny and a bit cooler Saturday afternoon, mostly clear at night,
- Sunny and warmer Sunday, mostly clear Sunday night.
- snow level 7,500 ft. falling to 5,500 ft. late tonight, 5,000 ft. Friday, 4,500 ft. Friday evening, free air freezing level 4,500 ft. Saturday, 6,000 ft. falling to 5,500 ft. late Saturday night, 9,000 ft. Sunday, then 11,000 ft. Sunday night,
- lows 37-25 warming to 33 Sunday night highs 48-43 warming to 55 Sunday.
- Mostly sunny and a bit cooler Monday, mostly clear Monday night,
- Mostly sunny and a bit cooler Tuesday, partly cloudy at night,
- Mostly sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
- Then sunny and a bit warmer Thursday.
- free air freezing level 12,000 ft. Monday, 11,000 ft. Monday night and Tuesday, 10,000 ft. Tuesday night, 11,000 ft. Wednesday, then 12,000 ft. Wednesday night and Thursday.
- highs 65-58 warming to 62 Thursday lows 38-35 warming to 37 Wednesday night.