Feb
09.
An approaching Upper Level High Pressure Ridge (“Arch” shape) is bringing clear skies and cold overnight temperatures to the Pacific Northwest. The graphics for days 1-3 show the a cold frontal system moving southward into through Pacific Northwest between Monday and Monday night. 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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Air Quality Index
Eugene/Springfield: The Air Quality Index is 23 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 11 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 34 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- *A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 9 AM MONDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 9 AM TUESDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- A FREEZE WATCH IS IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- A COLD WEATHER ADVISORY IS IN EFFECT UNTIL 9 AM WEDNESDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- *A COLD WEATHER ADVISORY IS IN EFFECT FROM 7 PM MONDAY UNTIL NOON TUESDAY FOR THE CLATSOP COUNTY COAST, THE TILLAMOOK COUNTY COAST, THE CENTRAL COAST OF OREGON, THE NORTH OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST LOWLANDS, THE NORTH OREGON COAST RANGE, THE CENTRAL OREGON COAST RANGE, THE LOWER COLUMBIA RIVER, TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHLEM MOUNTAIN, INNER PORTLAND METRO, CENTRAL PORTLAND METRO, EAST PORTLAND METRO, THE OUTER SOUTHEAST PORTLAND METRO, THE WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, THE LANE COUNTY LOWLANDS, THE CLACKAMAS COUNTY CASCADE FOOTHILLS, THE CASCADE FOOTHILLS OF MARION AND LINN COUNTY, AND THE LANE COUNTY CASCADE FOOTHILLS.
- *A COLD WEATHER ADVISORY IS IN EFFECT FROM 7 PM MONDAY UNTIL UNTIL NOON TUESDAY FOR THE WEST COLUMBIA RIVER GORGE I-84 CORRIDOR, THE UPPER HOOD RIVER VALLEY, THE CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR, AND THE WEST COLUMBIA GORGE I-84 CORRIDOR.
- *A COLD WEATHER ADVISORY IS IN EFFECT UNTIL 9 AM WEDNESDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- *A COLD WEATHER ADVISORY IS IN EFFECT FROM 9 PM MST TONIGHT UNTIL 9 AM MST THURSDAY FOR HARNEY COUNTY, BAKER COUNTY AND MALHEUR 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:
- Partly cloudy with patchy fog tonight,
- Patchy AM fog, mostly sunny and a bit cooler Monday afternoon, partly cloudy in the evening, mostly clear with patchy fog late Monday night,
- Sunny Tuesday, mostly clear at night,
- Mostly sunny Wednesday, partly cloudy with a (40%) chance of evening snow and mostly cloudy with a (40%) chance of snow late Wednesday night (snow level 500 ft.).
- lows 27-19 warming back to 27 Wednesday night highs near 42.
- Mostly cloudy with rain, freezing rain and a slight (20%) chance of snow and a bit cooler Thursday, rain and freezing rain Thursday night,
- Mostly cloudy and a bit warmer with rain likely (70%) Friday, a (40%) of rain at night,
- Cloudy and a bit warmer with a good (50%) chance of rain Saturday, rain Saturday night,
- Then mostly cloudy and a bit warmer with rain Sunday.
- highs 36-50 lows 32-40 (seasonal averages high 51 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:
- Partly cloudy this evening, mostly cloudy late tonight,
- Mostly cloudy start, sunny and a bit cooler Monday afternoon, mostly clear in the evening, party cloudy late Monday night,
- Some AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear in the evening, partly cloudy late at night,
- Partly cloudy and a bit warmer Wednesday, partly cloudy with a slight (20%) chance of evening rain and snow, then mostly cloudy with rain and snow late Wednesday night.
- lows 27-28 cooling to 23 Tuesday night night highs 42-47.
- Mostly cloudy with AM rain and snow, rain Thursday afternoon, evening rain, showers late Thursday night,
- Mostly cloudy with AM showers, a good (50%) chance of showers Friday afternoon, a (30%) chance of showers at night,
- Mostly cloudy with a (30%) chance chance of showers and a bit warmer Saturday afternoon, evening rain likely (70%), rain late Saturday night,
- Then mostly cloudy with rain Sunday.
- highs 44-48 lows 32-34. (seasonal averages high 53 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear tonight,
- Sunny and a bit cooler Monday, mostly clear Monday night,
- Sunny and a bit warmer Tuesday, partly cloudy at night,
- Partly cloudy and a bit warmer Wednesday, partly cloudy with a good (50%) chance of evening rain, then mostly cloudy with rain late Wednesday night.
- lows 25-30 highs 47-52.
- Mostly cloudy and a bit cooler with rain Thursday and in the evening, showers late Thursday night,
- Mostly cloudy with AM showers likely (70%), a good (50%) chance of showers and a bit warmer Friday afternoon, a (30%) chance of showers at night,
- Mostly cloudy and a bit warmer with a (40%) chance of showers Saturday, rain Saturday night,
- Then mostly cloudy with rain Sunday.
- highs 50-54 lows 38-42 (seasonal averages high 54 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy this tonight,
- Mostly sunny and a bit cooler with a slight (20%) chance of snow showers Monday afternoon, partly cloudy with a slight (20%) chance of snow showers Monday night,
- AM sun with with a slight (20%) chance of AM showers, sunny and a bit cooler Tuesday afternoon (AM wind chill temperatures as low as 0 degrees), partly cloudy with a slight (20%) chance of snow showers at night,
- Mostly sunny and a bit warmer Wednesday (AM wind chill temperatures as low as -5 degrees), partly cloudy with a (40%) chance of evening snow, mostly cloudy with a (40%) chance of snow Wednesday night.
- snow level at the surface tonight through Wednesday night.
- lows 11-6 warming to 18 Wednesday night highs 27-24 warming back to 27 Wednesday.
- Mostly cloudy and a bit warmer with snow and freezing rain Thursday, snow and rain freezing rain Thursday night,
- Mostly cloudy with snow and rain and freezing rain Friday, a good (50%) chance of snow and rain and freezing rain at night,
- Mostly cloudy and a bit warmer with a good (50%) chance of rain and snow Saturday, rain and snow and freezing rain Saturday night,
- Mostly cloudy and a bit cooler with rain and freezing rain with a slight (20%) chance of snow Sunday.
- snow level at the surface Thursday, 3,500 ft. Thursday night through Saturday, 5,000 ft. Saturday night, then 5,500 ft. 3,000 ft. Sunday.
- highs 33-37 cooling to 35 Sunday lows 27-23 warming to 30 Saturday night.