Feb
10.
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 dry cold frontal system moving southward through Pacific Northwest. The graphics for days 3-7 Friday through Tuesday show the very active series of 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 88 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 78 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 71 in the Moderate 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 TODAY FOR THE SOUTH CENTRAL OREGON COAST.
- A FREEZE WARNING IS IN EFFECT FROM 10 PM TODAY UNTIL 9 AM WEDNESDAY FOR THE SOUTH CENTRAL OREGON COAST.
- A COLD WEATHER ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL 9 AM WEDNESDAY FOR THE SOUTH CENTRAL OREGON COAST.
- A FREEZE WARNING IS IN EFFECT FROM 1 AM UNTIL 9 AM TODAY FOR THE CURRY COUNTY COAST.
- A FREEZE WARNING IS IN EFFECT FROM 10 PM TONIGHT UNTIL 9 AM WEDNESDAY FOR THE CURRY COUNTY COAST.
- A COLD WEATHER ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE NORTH OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A COLD WEATHER ADVISORY IS IN EFFECT FROM 7 PM TONIGHT UNTIL NOON WEDNESDAY FOR THE NORTH OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- 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 UNTIL NOON TODAY FOR THE NORTH OREGON COAST RANGE LOWLANDS, THE NORTH OREGON COAST RANGE, THE EAST PORTLAND METRO, THE OUTER SOUTHEAST PORTLAND METRO, 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 TONIGHT UNTIL NOON WEDNESDAY 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 UNTIL NOON TODAY FOR THE WEST COLUMBIA RIVER GORGE OF OREGON.
- AN EXTREME COLD WATCH IS IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY MORNING FOR THE WEST COLUMBIA RIVER GORGE OF OREGON.
- A EXTREME COLD WATCH IS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING 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 7 PM THURSDAY FOR THE GRANDE RONDE, VALLEY, WALLOWA COUNTY, THE NORTHERN BLUE MOUNTAINS OF OREGON, THE SOUTHERN BLUE MOUNTAINS OF OREGON, THE OCHOCO, THE JOHN DAY HIGHLANDS, THE EAST SLOPES OF THE OREGON CASCADES, AND CENTRAL OREGON.
- A COLD WEATHER ADVISORY IS IN EFFECT UNTIL 9 AM WEDNESDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, AND JACKSON COUNTY.
- 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 UNTIL 10 AM THURSDAY FOR THE OREGON LOWER TREASURE VALLEY.
- A COLD WEATHER ADVISORY IS IN EFFECT UNTIL 10 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:
- Sunny and slightly warmer today, clear tonight,
- Mostly sunny and a bit warmer Wednesday, partly cloudy with a (30%) chance of evening snow, mostly cloudy with snow and rain likely (70%) late Wednesday night (snow level 500 ft.),
- Mostly cloudy with rain, freezing rain and snow and a bit cooler Thursday, then rain and freezing rain Thursday night.
- highs 42-43 cooling to 35 Thursday lows 18-32 Thursday night.
- Mostly cloudy and a bit warmer with rain and freezing likely (70%) Friday, a good (50%) of rain Friday night,
- Mostly cloudy and a bit warmer with rain likely (70%) Saturday, rain at night,
- Mostly cloudy and a bit warmer with rain Sunday and Sunday night,
- Then mostly cloudy with rain Monday (President’s Day).
- highs 40-52 lows 34-43 (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:
- Patchy dense AM fog, sunny and a bit warmer this afternoon, partly cloudy this evening, mostly clear late tonight,
- Sunny and a bit warmer Wednesday, partly cloudy with a (30%) chance of evening snow and a slight (20%) chance of light freezing drizzle, mostly cloudy with (30%) chance of snow and a slight (20%) chance of light freezing drizzle late at night,
- Mostly cloudy with AM rain and snow, rain and a bit warmer Thursday afternoon and evening, then rain likely (70%) showers late Thursday night.
- highs 43-48 lows 22-39.
- Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit cooler Friday afternoon, a (30%) chance of evening rain, slight (20%) chance rain and snow at night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, a bit warmer with rain likely (70%) Saturday afternoon, rain Saturday night,
- Mostly cloudy with rain and a bit warmer Sunday, rain Sunday night,
- Then mostly cloudy with rain Monday (President’s Day).
- highs 47-52 lows 36-43. (seasonal averages high 53 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Sunny today, partly cloudy tonight,
- Some AM clouds, sunny and a bit warmer Wednesday afternoon, mostly cloudy with a (30%) chance of evening coastal rain and a (40%) chance of coastal rain and snow late Wednesday night while a (40%) chance of inland rain and snow Wednesday night,
- Mostly cloudy with rain Thursday, then rain Thursday night.
- highs 48-53 lows 24-38.
- Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit cooler Friday afternoon, a (30%) chance of rain Friday night,
- Mostly cloudy with AM rain likely (70%), rain Saturday, rain at night,
- Mostly cloudy and a bit warmer with rain Sunday, rain Sunday night,
- Then mostly cloudy and a bit cooler with rain Monday (President’s Day).
- highs 52-55 cooling to 53 Monday lows 33-42 (seasonal averages high 54 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit warmer today, mostly clear tonight,
- 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 at night.
- snow level at the surface tonight through Wednesday night,
- Mostly cloudy and a bit warmer with snow and rain, and freezing rain Thursday, rain, snow and freezing rain Thursday night.
- snow level at the surface late tonight through Wednesday, snow level at the surface Wednesday night, 2,000 ft. Thursday, then 4,000 ft. Thursday night.
- highs 27-24 warming back to 27 Wednesday lows 4-27.
- Mostly cloudy with snow and rain and freezing rain Friday, a good (50%) chance of snow and rain Friday night,
- Mostly cloudy and a bit warmer with a snow and rain likely (70%) Saturday, rain and snow at night,
- Mostly cloudy and a bit warmer with rain and snow Sunday (snow possibly heavy at times), rain and snow Sunday night (snow possibly heavy at times),
- Then mostly cloudy and a bit cooler with rain and snow and freezing rain Monday (snow possibly heavy at times) (President’s Day).
- snow level at the surface 4,000 ft. Friday, 3,500 ft Friday night and Saturday, 5,500 ft. Saturday night and Sunday, 5,000 ft. Sunday night, then 4,500 ft. Monday.
- highs 33-37 cooling to 35 Sunday lows 27-23 warming to 30 Saturday night.