The Jet Stream is sending an Atmospheric River of moisture to into the Pacific Northwest. The graphics for days 1-3 show no frontal systems hitting Oregon, but rain continues from the Atmospheric River. The graphics for days 3-7 Wednesday through Sunday show the frontal systems that will be heading our way through the period.
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ADVISORIES:
- A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM MONDAY FOR THE NORTH OREGON COAST RANGE.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM MONDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 5 PM MST MONDAY FOR HARNEY COUNTY.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM MONDAY ABOVE 2,000 FT. FOR JACKSON COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM MONDAY FOR THE CLATSOP COUNTY COAST AND THE TIILLAMOOK COUNTY COAST.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM MONDAY FOR THE THE NORTH OREGON COAST RANGE LOWLANDS.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM MONDAY ABOVE 1,000 FT. FOR THE UPPER HOOD RIVER VALLEY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM MONDAY FOR THE LANE COUNTY CASCADE FOOTHILLS.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM MONDAY FOR THE WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT. ,THE CLACKAMAS COUNTY CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS OF OF MARION AND LINN COUNTIES.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 2 AM MONDAY UNTIL 4 AM TUESDAY FOR THE OCHOCO AND THE JOHN DAY HIGHLANDS.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 AM MST MONDAY FOR THE OREGON LOWER TREASURE VALLEY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST MONDAY FOR MALHEUR COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM MONDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
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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:
- Cloudy with evening rain showers likely (70%) with a (30%) chance of snow showers, a slight (20%) chance of rain and snow showers late tonight (under 0.10 in. of rain possible, little or no snow accumulation expected, snow level 500 ft.),
- Mostly cloudy with a good (50%) chance of AM snow showers and a (40%) chance of rain showers, showers likely (70%) and a bit cooler Monday afternoon, evening snow and rain showers likely (70%), a good (50%) chance of snow showers late at night (under 0.10 in. of rain possible, little or no snow accumulation possible),
- A mix of clouds and sun with a good (50%) chance of snow showers with rain showers likely (70%) and a bit warmer Tuesday afternoon, snow showers with a slight (20%) chance of rain showers Tuesday night (snow level 500 ft.), showers likely (70%) Wednesday night (snow level 1,000 ft.).
- lows 32-28 warming back to 32 Wednesday highs near 42.
- Mostly cloudy with snow and rain showers Wednesday (snow level 500 ft.), rain and snow showers likely (70%) Wednesday night (snow level 1,000 ft.).
- Mostly cloudy with rain and snow showers likely (70%) and a bit cooler Thursday (snow level 1,000 ft.), rain and snow showers likely (70%) at night (snow level 1,000 ft.),
- Mostly cloudy and a bit warmer with snow and rain showers likely (70%) Friday (snow level 500 ft.), rain and snow showers likely (70%) Friday night,
- Mostly cloudy with snow and rain showers likely (70%) Saturday (snow level 500 ft.), mostly cloudy with a good (50%) chance of rain and snow showers Saturday night (snow level 1,000 ft.),
- A mix of clouds and sun with a good (50%) chance of rain and snow showers Sunday (snow level 500 ft.).
- highs 40-42 lows 28-30. (seasonal averages high 50 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
- Cloudy with a (30%) chance of rain and snow tonight (snow level 1,000 ft.),
- Mostly cloudy a (30%) chance of rain and snow Monday (snow level 900 ft., 1-2 in. of snow possible above 1,500 ft.), a (30%) chance of evening rain and snow, a (30%) chance of rain and snow late Monday night (snow level 200 ft.),
- Mostly cloudy with a slight (20%) chance of AM snow, a (30%) chance of rain and snow Tuesday afternoon (snow level 800 ft.), a (40%) chance of evening rain and snow, then a (40%) chance of snow late Tuesday night,
- Mostly cloudy with rain and snow likely (70%) and a bit warmer Wednesday, then rain and snow late Wednesday night.
- lows 34-25 warming to 30Wednesday night highs 40-42. .
- Mostly cloudy with rain and snow likely (70%) and a bit cooler Thursday, rain and snow likely (70%) Thursday night,
- Mostly cloudy and a bit warmer with rain and snow likely (70%) Friday, rain and snow likely (70%) at night,
- Mostly cloudy and a bit warmer with a good (50%) chance of rain and snow Saturday, a good (50%) chance of rain and snow Saturday night,
- Mostly cloudy with a (30%) chance of AM rain and snow, then partly cloudy with a slight (20%) chance of rain and snow Sunday afternoon.
- highs 42-44 cooling back to 42 Sunday lows 32-25 (seasonal averages high 52 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Cloudy with a (30%) chance of coastal rain while a (40%) chance of inland rain and snow tonight (snow level 1,000 ft., little or no snow accumulation possible, snow level 800 ft.),
- Mostly cloudy with a slight (20%) chance of AM coastal rain and snow with a slight (20%) chance of coastal rain and a bit cooler Monday afternoon while a (30%) chance of inland rain and snow and a bit cooler Monday afternoon while a (30%) chance of AM inland rain and snow likely (70%) with inland rain and snow and a bit cooler Monday afternoon, mostly cloudy with coastal rain and snow likely (70%) and inland rain and snow likely (70%) Monday night (snow level 300 ft.),
- Mostly cloudy with a good (50%) chance AM coastal rain and snow and a (40%) chance of coastal rain and snow Tuesday afternoon, a good (50%) chance of evening coastal rain and snow and a slight (20%) chance of thunderstorms with coastal showers, snow showers and a slight (20%) chance of thunderstorms while a good (50%) chance of evening inland rain and snow and inland rain and snow likely (70%) late Tuesday night,
- Mostly cloudy with a good (50%) chance of rain and snow and a slight (20%) chance of thunderstorms, rain and snow Wednesday afternoon, then rain and snow likely (70%) Wednesday night.
- lows 34-30 warming back to 34 Wednesday night highs near 44-45.
- Mostly cloudy and a bit cooler with rain and snow likely (70%) Thursday, rain and snow likely (70%) Thursday night,
- Mostly cloudy with rain and snow likely (70%) and a bit warmer Friday, rain and snow at night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, a good (50%) chance of rain Saturday afternoon, a (40%) chance of rain and snow Saturday night,
- Partly cloudy with a slight (20%) chance of AM rain and snow, then a (30%) chance of rain and snow Sunday afternoon.
- highs 48-46 warming to 49 Sunday lows 34-32 (seasonal averages high 54 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Cloudy with a good (50%) chance of snow showers tonight (2 in. of snow possible),
- Mostly cloudy and a bit cooler with snow showers Monday (2 in. of snow possible), evening snow showers, a good (50%) chance of snow showers late Monday night (1-2 in. of snow possible),
- Mostly cloudy with a good (50%) chance of AM snow showers, a bit cooler with snow showers likely (70%) Tuesday afternoon, snow showers at night,
- Mostly cloudy and a bit cooler with snow showers Wednesday, then snow showers Wednesday night.
- snow level at the surface tonight through Wednesday night,
- low 19-12 highs 29-25.
- Mostly cloudy and a bit cooler with snow showers Thursday, snow showers Thursday night,
- Mostly cloudy and a bit warmer with snow showers likely (70%) Friday, snow showers at night,
- Mostly cloudy and a bit warmer with snow showers likely (70%) Saturday, a good (50%) chance of snow showers Saturday night,
- Then a mix of clouds and sun and a bit warmer with a good (50%) chance of snow showers Sunday.
- snow level at the surface Thursday through Sunday.
- highs 25-30 lows 13-15.