Feb
18.
An Upper Level Low Pressure Trough (“U” shape) is moving eastward through the Pacific Northwest. The graphics for days 1-3 show the frontal system that will move through Oregon Wednesday. The graphics for days 3-7 Saturday through Wednesday show the frontal systems that will be heading our way through the period.
__________
Air Quality Index
Eugene/Springfield: The Air Quality Index is 26 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 27 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 54 in the Moderate category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
ADVISORIES:
- A WINTER STORM WARNING IS IN EFFECT FROM 7 AM WEDNESDAY UNTIL 4 PM UNTIL 4 AM THURSDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
- A HIGH WIND WARNING IS IN EFFECT FROM 1 AM UNTIL 7 AM WEDNESDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- A WIND ADVISORY IS IN EFFECT FROM 1 AM UNTIL 7 AM WEDNESDAY FOR JACKSON COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL NOON WEDNESDAY FOR THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON AND NORTH CENTRAL OREGON.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM WEDNESDAY UNTIL 4 AM THURSDAY ABOVE 4,000 FT. FOR THE NORTHERN OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 PM TONIGHT UNTIL 4 AM THURSDAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 2 AM UNTIL NOON WEDNESDAY FOR THE LOWER COLUMBIA BASIN OF OREGON AND THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM WEDNESDAY UNTIL 4 AM THURSDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON.
- A COASTAL FLOOD ADVISORY IS IN EFFECT FROM 4 AM UNTIL 10 AM WEDNESDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- A DENSE FOG ADVISORY IS IN EFFECT UNTIL 8 AM WEDNESDAY FOR THE FOOTHILLS OF THE THE BLUE MOUNTAIN=S OF OREGON
_______________
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:
- Mostly cloudy with evening rain likely (70%), a good (50%) chance of rain late tonight (0.10 in. of rain possible),
- Mostly cloudy with rain and breezy (Wind: SW 15-20 mph, AM gusts to 35 mph) and slightly warmer Wednesday (0.50 in. of rain possible), mostly cloudy evening showers likely (70%) Wednesday night (under 0.10 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of AM showers and freezing rain, just mostly cloudy and a bit warmer Thursday afternoon, mostly cloudy with patchy fog at night.
- Mostly cloudy and a bit warmer Friday, then a good (50%) of rain Friday night.
- lows 45-36 warming to 44 Friday highs 52-56.
- Mostly cloudy with rain likely (70%) and a bit warmer Saturday, rain Saturday night,
- Mostly cloudy with rain and a bit cooler Sunday and at night,
- Mostly cloudy and a bit warmer with rain likely (70%) Monday, rain likely (70%) Monday night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of rain Tuesday.
- highs 60-58 warming to 60 Monday, cooling to 58 Friday lows 52-44. (seasonal averages high 52 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)
________________
:Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a good (50%) chance of evening rain, rain late tonight (under 0.10 in. of rain possible),
- Mostly cloudy with rain and slightly cooler Wednesday (0.25 in. of rain possible ), mostly cloudy with a (30%) chance of showers Wednesday night (under 0.10 in. of rain possible),
- Mostly cloudy and a bit warmer Thursday, partly cloudy in the evening, mostly cloudy late at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of Friday afternoon, then a slight (20%) chance of rain Friday night.
- lows 47-38 warming to 46 Friday night highs 50-59.
- Mostly cloudy with a slight (20%) chance of AM rain, rain and a bit warmer Saturday afternoon, rain Saturday night,
- Mostly cloudy and a bit cooler with rain Sunday and at night,
- Mostly cloudy and a bit warmer with rain likely (70%) Monday, colder with a good (50%) chance of rain Monday night,
- Some AM clouds then sunny and a bit cooler Tuesday.
- highs 58-62 cooling to 59 Monday lows 42-50 cooling to 58 Monday. (seasonal averages high 54 low 38)
____________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a slight (20%) chance of early evening rain, late evening rain (under 0.10 in. of rain possible) continuing throughout the night (Windy: Wind: SE15-20 mph increasing and shifting to S 20-30 mph late tonight),
- Mostly cloudy with rain and slightly cooler Wednesday windy Coastal wind SW 20-30 mph gusts to 40 mph decreasing to SW 10-20 mph while windy Inland Wind: SW 10-20 mph), a (30%) chance of showers Wednesday night,
- Mostly cloudy and a bit warmer Thursday, partly cloudy in the evening, mostly cloudy late at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of Friday afternoon, then a slight (20%) chance of Friday night.
- lows 48-37 warming to 45 Friday night highs 52-58.
- Mostly cloudy with a good (50%) chance of rain and a bit warmer with Saturday, mostly cloudy with rain Saturday night,
- Mostly cloudy with rain Sunday and at night,
- Mostly cloudy and a bit cooler with rain likely (70%) Monday, a good (50%) chance of rain Monday night,
- Some AM clouds, then sunny Tuesday afternoon.
- highs 62-59 lows 46-48 cooling to 42 Monday night. (seasonal averages high 54 low 41)
_______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with a (30%) chance of evening rain and freezing rain, a good (50%) of rain late tonight (0.25 in. of rain possible, trace of ice accumulation possible),
- Mostly cloudy with AM rain and snow with freezing rain likely (70%) Wednesday (snow possibly heavy at times) and a slight (20%) chance afternoon freezing rain, mostly cloudy with evening snow showers and rain showers and freezing rain, a good (50%) chance of snow showers, rain showers, and freezing rain late Wednesday night (0.75 in. of rain possible, 1-4 in. of snow possible, trace of ice accumulation possible),
- Mostly sunny with a (30%) chance of AM snow showers, a slight (20%) chance of rain showers and freezing rain and a bit warmer with a (40%) chance of rain and snow showers Thursday, partly cloudy at night,
- A mix of clouds and sun in the AM, mostly cloudy and a bit warmer Friday afternoon, then mostly cloudy with a good (50%) chance of rain Friday night.
- snow level 5,500 ft. tonight, 4,500 ft. Wednesday, 3,000 ft. Wednesday night, 2,500 ft.Thursday morning, free air freezing level 6,000 ft. rising to 6,500 ft. Thursday night, 8,000 ft. Friday, then snow level 6,000 ft. Friday night.
- lows 36-43 highs 32-38 cooling to 30 Friday.
- Mostly cloudy and a bit cooler with rain likely (70%) Saturday, rain Saturday night,
- Mostly cloudy with rain Sunday, rain likely at night,
- Mostly cloudy and a bit warmer with rain likely (70%) Monday, rain likely (70%) with a (%) chance of snow Monday night,
- Then mostly sunny and a bit cooler with a slight (20%) chance of rain and snow Tuesday.
- snow level 7,000 ft. Saturday, 8,000 ft. Saturday night, 7,500 ft. Sunday, 7,000 ft. Sunday night, 6,500 ft. Monday, 5,500 ft. Monday night, then 4,500 ft. Tuesday.
- highs 44-42 warming to 46 Monday cooling to 45 Tuesday lows 38-30.