An Upper Level Low Pressure Trough (“U” shape) is along the coast along with an approaching surface low is sending more rain into the Pacific Northwest. The graphics for days 1-3 show the frontal system that moved through Oregon, bringing rain and a little snow. The graphics for days 3-7 Monday through Friday 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 1 PM TODAY FOR CENTRAL OREGON.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 7 AM TODAY FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS .
- A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM TODAY FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 7 AM TODAY FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE LOWER COLUMBIA BASIN OF OREGON.*A WINTER STORM WARNING IS IN EFFECT UNTIL 7 AM TODAY ABOVE 2,000 FT. FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 7 AM TODAY BELOW 2,000 FT. FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY FOR THE NORTH OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM TODAY THE SOUTH CENTRAL OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY THE SOUTH CENTRAL OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR THE JOHN DAY BASIN.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR THE OCHOCO AND THE JOHN DAY HIGHLANDS.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR NORTH CENTRAL OREGON.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM TODAY FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR WALLOWA COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE SOUTHERN BLUE MOUNTAINS OF OREGON.
- A COLD WEATHER ADVISORY IS IN EFFECT UNTIL 8 AM TODAY FOR THE NORTH OREGON COAST RANGE, THE CENTRAL OREGON COAST RANGE, TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, AND THE WEST CENTRAL WILLAMETTE VALLEY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST TODAY FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
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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:
- A mix of clouds and sun with a slight (20%) chance of snow showers and a bit warmer with a good (50%) chance of rain showers this afternoon (under 0.10 in. of rain possible, snow level 1,500 ft.), evening snow showers with a good (50%) chance of rain showers, rain showers late tonight (0.10 in. of rain possible, 1 in. of snow possible, snow level 1,000 ft.),
- Mostly cloudy with AM rain and snow showers (snow level 1,000 ft.), rain showers and a bit warmer Saturday afternoon, a slight (20%) chance of evening snow showers and a good (50%) chance of rain showers, a slight (20%) chance of rain showers Saturday night (snow level 1,000 ft.).
- highs 43-45 lows 33-26.
- A mix of clouds and sun with a slight (20%) chance of rain and snow showers Sunday (snow level 500 ft.), partly cloudy Sunday night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain and snow showers Monday, partly cloudy with a slight (20%) chance of rain and snow showers Monday night (snow level 500 ft.),
- Mostly sunny with a slight (20%) chance of snow showers and a bit cooler Tuesday, partly cloudy with a (40%) chance of evening snow showers, mostly cloudy with a (40%) chance of snow showers at night,
- A mix of clouds and sun with a good (50%) chance of snow and rain showers and a bit cooler Wednesday (snow level 500 ft.), showers likely (70%) with a slight (20%) chance of snow showers Wednesday night,
- Mostly cloudy with rain showers likely (70%) with a slight (20%) chance of snow showers Thursday.
- highs 42-38 warming to 40 Wednesday and Thursday lows 27-25 (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:
- Mostly cloudy with a good (50%) of AM snow, a good (50%) chance of rain and snow showers and slightly warmer this afternoon (snow level 1,000 ft.), a good (50%) chance of evening rain and snow showers, rain and snow showers tonight (snow level 700 ft. )
- Mostly cloudy with AM rain and snow showers, good (50%) chance of rain and snow showers and a bit warmer Saturday afternoon (snow level 600 ft. rising to 2,500 ft.), a (30%) chance of rain and snow Saturday night (evening snow level 1,500 ft.),
- Mostly cloudy with patchy AM fog and a (30%) chance of rain and snow showers, mostly sunny with a slight (20%) chance of rain and snow showers and a bit cooler Sunday afternoon, partly cloudy with patchy fog and a slight (20%) chance of snow showers late Sunday night.
- highs 42-44 lows 32-26.
- Mostly cloudy with patchy AM fog and a slight (20%) chance of snow showers, a slight (20%) chance of rain and snow showers and a bit cooler Monday afternoon, a slight (20%) chance of snow showers Monday night,
- Partly cloudy with a slight (20%) chance of AM snow showers, mostly cloudy with a slight (20%) chance of rain and snow showers and a bit cooler Tuesday afternoon, a (30%) chance of evening rain and snow showers, a (30% ) chance of snow showers at night,
- Partly cloudy with a slight (20%) chance of AM snow showers, rain and snow showers likely (70%) and a bit warmer Wednesday afternoon, rain and snow showers likely (70%) late Wednesday night,
- Then mostly cloudy and a bit warmer with rain and snow showers likely (70%) Thursday.
- highs 42-39 warming to warming to 43 Thursday lows 25-23 warming to 28 Wednesday night. (seasonal averages high 52 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with good (50%) chance of AM rain and snow, a good (50%) chance of coastal showers and a bit warmer this afternoon while a good (50%) chance of inland showers and snow this afternoon (snow level 500 ft. rising to 1,000 ft. this afternoon), evening rain and snow showers, then rain and snow showers likely (70%) late tonight (snow level 1,500 ft.),
- Mostly cloudy with AM coastal showers and coastal showers likely (70%) and a bit warmer Saturday afternoon while inland AM rain and snow showers with a (0%) chance of inland showers and a bit warmer Saturday afternoon, a good (50%) chance of coastal evening showers and a good (50%) chance of coastal showers with patchy fog Saturday night while a good (50%) chance of inland evening inland rain and snow showers with a (40%) chance of inland rain and snow showers and patchy fog through the night (snow level 2,000 ft. falling to 1,000 ft. at night),
- Partly cloudy with patchy AM fog and a slight (20%) chance of rain and snow showers, sunny and a bit cooler with a slight (20%) chance of Sunday afternoon, mostly clear in the evening, then partly cloudy with a slight (20%) chance of snow showers late Sunday night.
- highs 48-50 cooling back to 48 Sunday lows 33-28.
- Partly cloudy with a slight (20%) chance of rain and snow showers and a bit cooler Monday, mostly cloudy a (30%) chance of evening rain and snow showers, partly cloudy with a (30%) chance of snow showers late Monday night,
- Partly cloudy with a slight (20%) chance of AM snow showers, mostly cloudy with a (30%) chance of rain and snow showers and a bit cooler Tuesday afternoon, a (30%) chance of rain and snow showers at night,
- Mostly cloudy with a good (50%) chance of AM rain and snow showers, rain and snow showers likely (70%)and a bit warmer with rain showers likely (70%) Wednesday afternoon, rain and snow showers likely (70%) Wednesday night,
- Mostly cloudy with AM showers likely (70%), then rain showers Thursday afternoon.
- highs 48-46 warming back to 48 Wednesday and Thursday lows 25-30. (seasonal averages high 54 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with a good (50%) chance of AM snow showers, a bit cooler with snow showers likely (70%) this afternoon, snow showers tonight (1 in. of snow possible),
- Mostly cloudy and a bit warmer with snow showers Saturday, evening snow showers likely (70%), a slight (20%) chance of snow showers at night,
- A mix of clouds and sun and a bit warmer with a good (50%) chance of snow showers Sunday, partly cloudy with a (40%) chance of snow showers Sunday night.
- snow level at the surface tonight through Friday night, 2,500 ft. Saturday afternoon, then at the surface Saturday night through Sunday night.
- lows 13-15 cooling to 10 Sunday night highs 24-29.
- A mix of clouds and sun and a bit cooler with with a good (50%) chance of snow showers Monday, mostly cloudy with a good (50%) chance of snow showers Monday night,
- A mix of clouds and sun to start, mostly cloudy and a bit cooler with a good (50%) chance of snow showers Tuesday (AM wind chill temperatures as low as -5 degrees), mostly cloudy with a good (50%) chance of snow showers Tuesday night,
- AM clouds and sun with a good (50%) chance of snow showers, mostly cloudy and a bit warmer with a good (50%) chance of snow showers Wednesday afternoon, snow showers likely (70%) Wednesday night,
- Then mostly cloudy with snow and rain showers Thursday.
- snow level at the surface Monday through Wednesday night, then snow level 3,000 ft. Thursday.
- highs 27-26 warming to 28 Wednesday lows 11-12.