Feb
01.
An Upper Level Low Pressure Trough (“U” shape) takes over from the Upper Level High Pressure Ridge allowing clouds and rain to move into the Pacific Northwest. The graphics for days 1-3 show no frontal systems hitting Oregon. The graphics for days 3-7 Tuesday through Saturday show the frontal systems that will be heading our way through the period.
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Air Quality Index
Eugene/Springfield: The Air Quality Index is 65 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 28 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 26 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM SUNDAY FOR THE NORTH OREGON COAST RANGE.
- A WINTER STORM WARNING IS IN EFFECT UNTIL UNTIL 4 AM SUNDAY FOR THE NORTH OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM TODAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM SUNDAY UNTIL UNTIL 4 AM MONDAY FOR THE THE NORTH OREGON COAST RANGE LOWLANDS.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM SUNDAY UNTIL 4 AM MONDAY ABOVE 1,000 FT. FOR THE UPPER HOOD RIVER VALLEY.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM SUNDAY 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 500B FT, TH CLACKAMAS COUNTY CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS OF OF MARION AND LINN COUNTIES.
- 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 MST MONDAY FOR HARNEY COUNTY..
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 3 AM SUNDAY 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 FROM 4 AM SUNDAY UNTIL 4 PM MONDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM SUNDAY UNTIL 4 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.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Cloudy with a good (50%) chance of showers tonight (under 0.10 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of AM snow showers and a slight (20%) chance of rain showers, rain showers and a slight (20%) chance of snow showers and a bit cooler Sunday afternoon (0.10 in. of rain possible, little or no snow accumulation expected, snow level 1,000 ft.), evening rain and snow showers, snow showers likely (70%) with a slight (20%) chance of rain showers late Sunday night (under 0.10 in. of rain possible, 1 in. of snow possible, snow level 500 ft.),
- Mostly cloudy with snow showers likely (70%) and rain showers likely (70%) and a bit cooler Monday afternoon, evening snow showers likely (70%) with a slight (20%) chance of rain showers, a good (50%) chance of snow showers late at night (snow level 500 ft.),
- Mostly cloudy and a bit cooler with snow showers likely (70%) and a bit warmer Tuesday, snow showers likely (70%) Tuesday night (snow level 500 ft.).
- lows 35-27 highs 42-44.
- Mostly cloudy with snow and rain showers likely (70%) Wednesday, snow showers with rain showers likely (70%) Wednesday night (snow level 1,000 ft.),
- Mostly cloudy with rain and snow showers 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.), showers, snow showers likely (70%) with a slight (20%) chance of rain showers Friday night,
- Then mostly cloudy with a good (50%) chance of rain and snow showers Saturday (snow level 500 ft.)
- highs 42-40 warming back to 42 Friday lows 29. (seasonal averages high 50 low 35)
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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
- Cloudy with a good (50%) chance of evening rain and snow, rain and snow likely (70%) late tonight (snow level 2,000 ft. falling to 1,500 ft.),
- Mostly cloudy with AM rain and snow likely (70%), cooler Sunday afternoon with rain and snow (snow level 1,500 ft. falling to 1,000 ft.), rain and snow likely (70%) Sunday night (1 in. of snow possible at lower elevations and 1-2 in. of snow possible above 1,500 ft.), snow level 800 ft. falling to 300 ft. late at night),
- Mostly cloudy with AM snow likely (70%), rain and snow likely (70%) Monday afternoon (snow level 800 ft.), evening rain and snow likely (70%), a good (50%) chance of snow late Monday night (snow level 300 ft.),
- Mostly cloudy with AM snow likely (70%), rain and snow likely (70%) Tuesday afternoon, evening rain and snow snow likely (70%), then snow likely (70%) Tuesday night.
- lows 37-28 highs near 42. .
- Mostly cloudy with rain and snow and a bit warmer Wednesday, rain and snow at night,
- Mostly cloudy with rain and snow and a bit cooler Thursday, rain and snow likely (70%) at night,
- Mostly cloudy and a bit warmer with rain and snow likely (70%) Friday and in the evening, a good (50%) chance of rain and snow Friday night,
- Then mostly cloudy and a bit warmer with a good (50 %) chance of rain and snow Saturday.
- highs 43-42 warming to 44 Saturday lows near 32 (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 (40%) chance of evening coastal rain and coastal rain likely (70%) late at night while a (0%) chance inland rain and snow tonight (snow level 2,000 ft. falling to 1,500 ft. falling to 1,000 ft. late at night),
- Mostly cloudy and slightly cooler with coastal rain while inland rain and snow Sunday (snow level 1,500 ft. falling to 1,000 ft.), coastal rain and snow with inland evening rain and snow, rain and snow likely (70%) Sunday night (little or no snow accumulation possible, snow level 800 ft.),
- Mostly cloudy with AM coastal rain and snow with coastal rain and snow likely (70%) and a bit cooler Monday afternoon while 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%) at night,
- Mostly cloudy with AM rain and snow likely (70%), then rain and snow Tuesday afternoon and Tuesday night.
- lows 35-29 highs near 47.
- Mostly cloudy with rain and snow Wednesday, rain and snow Wednesday night,
- Mostly cloudy and a bit cooler with rain and snow Thursday and in the evening, rain and snow likely (70%) late Thursday night,
- Mostly cloudy with rain and snow likely (70%) and a bit warmer Friday and Friday night,
- Then mostly cloudy with rain and snow likely (70%) Saturday.
- highs 47-49 lows 30-32 (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 evening snow showers, snow showers likely (70%) late tonight (1-4 in. of snow possible),
- Mostly cloudy with a good (50%) chance of AM snow showers, snow showers and a bit cooler Sunday afternoon (1-4 in. of snow possible), snow showers Sunday night (1-3 in. of snow possible),
- Mostly cloudy and a bit cooler with snow showers Monday, snow showers likely (70%) at night,
- Mostly cloudy and a bit cooler with snow showers likely (70%) Tuesday, then snow showers Tuesday night.
- snow level at the surface tonight through Tuesday night,
- low 22-15 highs 29-25.
- Mostly cloudy and a bit cooler with snow showers Wednesday, snow showers Wednesday night,
- Mostly cloudy and a bit warmer with snow showers Thursday, snow showers likely (70%) at night,
- Mostly cloudy and a bit warmer with snow showers likely (70%) Friday, a good (50%) chance of snow showers Friday night,
- Then mostly cloudy and a bit cooler with snow showers likely (70%) Saturday.
- snow level at the surface Wednesday through Saturday.
- highs 25-30 lows 13-15.