An Upper Level Low Pressure Trough (“U” shape) is approaching 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 Saturday through Wednesday 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 TODAY FOR CENTRAL DOUGLAS COUNTY.
- A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY.
- A WINTER STORM WARNING IS IN EFFECT FROM FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR CENTRAL AND EASTERN LAKE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR CENTRAL DOUGLAS COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT
- A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM TODAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
- A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
- A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS.
- A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR JACKSON COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR JACKSON COUNTY.
- A WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
- A WEATHER ADVISORY IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE 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 4 AM TODAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 PM TODAY UNTIL 1 PM FRIDAY FOR THE JOHN DAY BASIN, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND CENTRAL OREGON.
- A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 1 PM FRIDAY FOR THE OCHOCO AND THE JOHN DAY HIGHLANDS.
- A WINTER STORM WARNING IS IN EFFECT FROM 4 PM TODAY UNTIL 10 AM FRIDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY.
- A BACK COUNTRY AVALANCHE WARNING IS IN EFFECT THROUGH 6 AM TODAY FOR THE WALLOWA MOUNTAINS NORTH AND THE WALLOWA MOUNTAINS SOUTH.
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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 a (40%) chance of AM rain showers and a slight (20%) chance of snow showers, a good (50%) chance of snow showers and a bit cooler this afternoon, cloudy with a good (50%) chance of rain and snow showers tonight (under 0.10 in. of rain possible, no snow accumulation expected),
- Mostly cloudy with a good (50%) chance of AM snow showers, a mix of clouds and sun and a bit warmer with a good (50%) chance of rain showers with a slight (20%) chance of snow showers Friday afternoon (snow level 1.000 ft.), snow showers likely (70%) with a good (50%) chance of evening rain showers, snow showers with rain showers likely (70%) Friday night (snow level 1,000 ft.),
- Mostly cloudy with snow showers with rain showers likely (70%) and a bit warmer Saturday (snow level 1,500 ft.), a (%) chance of rain showers and a slight (20%) chance of rain showers Saturday night (snow level 1,500 ft.).
- highs 40-43 lows 28-32.
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain and snow showers Sunday (snow level 500 ft.), partly cloudy with a slight (20%) chance of evening rain and snow showers, mostly cloudy with a slight (20%) chance of rain and snow showers late Sunday night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain and snow showers Monday, a (40%) chance of rain and snow showers Monday night (snow level 500 ft.),
- A mix of clouds and sun with a (40%) chance of snow and rain showers Tuesday (snow level 500 ft.), a good (50%) chance of rain and snow showers Tuesday night,
- Mostly cloudy with a good (50%) chance of rain showers and a slight (20%) chance of snow showers and a bit cooler Wednesday.
- highs 42-38 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 areas of dense AM freezing fog and patchy fog, rain and snow showers likely (70%) and a bit cooler this afternoon (1 in. of snow possible, snow level 900 ft. rising to 1,500 ft.), evening rain and snow showers likely (70%), snow showers likely (70%) late tonight,
- Mostly cloudy with AM snow showers likely (70%), rain and snow showers likely (70%) Friday afternoon, a good (50%) chance of evening rain and snow showers, rain and snow showers likely (70%) late Friday night (snow level 1,000 ft.)
- Mostly cloudy with AM rain and snow showers, good (50%) chance of rain and snow showers and a bit warmer Saturday afternoon, then a good (50%) chance of rain and snow Saturday night.
- highs 42-43 lows near 32.
- Mostly cloudy with a good (50%) chance of AM rain and snow showers, partly cloudy and a bit cooler with rain and snow showers likely (70%) Sunday afternoon, a good (50%) chance of evening rain and snow showers, a slight (20%) chance of rain and snow showers late Sunday night,
- Mostly cloudy with a slight (20%) chance of rain and snow showers Monday and Monday night,
- Mostly cloudy with a (30%) chance of rain and snow showers Tuesday and at night,
- Mostly cloudy with a good (50%) chance of AM rain and snow showers, then rain and snow showers likely (70%) and a bit warmer Wednesday afternoon.
- highs 42-43 lows 27-30. (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 patchy AM fog and coastal showers likely (70%) with a good (50%) chance of afternoon coastal showers and a bit cooler today while inland AM rain and snow showers and inland showers likely (70%) and a bit cooler this afternoon (snow level 1,000 ft. rising to 1,500 ft.), mostly cloudy with a good (50%) chance of evening coastal showers with coastal rain and snow showers likely (70%) late tonight while inland rain and snow showers likely (70%) tonight (1 in. of snow possible, snow level 1,000 ft. falling to 200 ft. late at night), while inland rain and snow showers likely (70%) tonight (snow level 1,000 ft. falling to 200 ft. late at night),
- Mostly cloudy with AM coastal rain and snow showers likely (70%) with coastal showers likely (70%) and a bit warmer Friday afternoon while inland rain and snow showers (snow level 300 ft. rising to 1,000 ft.), evening rain and snow showers, then rain and snow showers likely (70%) Friday night (snow level 1,500 ft.),
- Mostly cloudy with AM rain and snow showers, rain showers and a bit warmer Saturday afternoon, a good (50%) chance of evening showers, a good (50%) chance of rain and snow Saturday night.
- highs 46-50 lows 33-32.
- Partly cloudy with a slight (20%) chance of rain and snow showers Sunday, a slight (20%) chance of rain and snow showers Sunday night,
- Partly cloudy with a (30%) chance of rain and snow showers and a bit cooler Monday, a (40%) chance of rain and snow showers at night,
- Mostly cloudy with a (40%) chance of AM rain and snow showers, a (40%) chance of showers Tuesday afternoon, a good (50%) chance of evening showers, a good (50%) chance of rain and snow showers late Tuesday night,
- Then mostly cloudy and a bit warmer with rain showers likely (70%) Wednesday.
- highs 50-48 warming back to 50 Wednesday lows 29-27 warming back to 29 Tuesday night. (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, snow showers likely (70%) with a (40%) chance of rain showers and a bit cooler this afternoon (0.10 in. of rain possible, 2 in. of snow possible), snow showers tonight (1-3 in. of snow possible),
- Mostly cloudy and a bit cooler with snow showers Friday, snow showers likely (70%) at night,
- Mostly cloudy and a bit warmer with snow showers Saturday, then snow showers likely (70%) Saturday night.
- snow level at the surface tonight, 2,500 ft. Thursday, at the surface Thursday night Saturday night.
- highs 30-24 warming to 28 Saturday lows 20-15 warming to 16 Saturday night.
- A mix of clouds and sun with a good (50%) chance of snow showers Sunday, partly cloudy with snow showers likely (70%) Sunday night,
- A mix of clouds and sun with with a good (50%) chance of snow showers Monday, mostly cloudy with a good (50%) chance of snow showers at night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of Tuesday, a good (50%) chance of snow showers Tuesday night,
- Then mostly cloudy and a bit warmer with snow showers likely (70%) and a slight (20%) chance of rain showers Wednesday.
- snow level at the surface Friday through Tuesday night, then 2,000 ft. Wednesday.
- highs 27-26 warming to 28 Wednesday lows 11-12.