Feb
19.
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 moved through Oregon today. 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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Air Quality Index
Eugene/Springfield: The Air Quality Index is 29 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 17 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- A WINTER WEATHER ADVISORY IS IN EFFECT 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 UNTIL 4 AM THURSDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON.
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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:
- Mostly cloudy with a slight (20%) chance of evening rain, just mostly cloudy late tonight (under 0.10 in. of rain possible),
- Mostly cloudy start, a mix of clouds and sun and a bit cooler Thursday afternoon, partly cloudy in the evening, mostly cloudy late Thursday night.
- Mostly cloudy and a bit warmer with a slight (20%) chance of rain Friday, mostly cloudy with a good (50%) of rain at night (under 0.10 in. of rain possible),
- Mostly cloudy with rain likely (70%) and a bit warmer Saturday, then rain Saturday night.
- lows 38-35 warming to 52 Saturday night highs 53-59.
- Mostly cloudy with rain Sunday, rain Sunday night,
- Mostly cloudy and a bit warmer with rain likely (70%) Monday, rain at night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain Tuesday, just partly cloudy Tuesday night,
- Then mostly sunny and a bit warmer Wednesday.
- highs 60-57 warming to 59 Wednesday lows 49-38. (seasonal averages high 52 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:
- Mostly cloudy with a (30%) chance of showers tonight (under 0.10 in. of rain possible),
- Mostly cloudy with patchy AM fog, partly cloudy and a bit cooler Thursday afternoon, partly cloudy Thursday night,
- Mostly cloudy and a bit warmer with a (30%) chance of Friday, mostly cloudy with a (40%) chance of rain at night (under 0.10 in. of rain possible),
- Mostly cloudy with a good (50%) chance of AM rain, rain and a bit warmer Saturday afternoon, then rain Saturday night.
- lows 39-37 warming to 52 Saturday highs 54-60.
- Mostly cloudy and a bit warmer with rain Sunday, rain likely (70%) Sunday night,
- Mostly cloudy and a bit warmer with rain likely (70%) Monday and in the evening, a good (50%) chance of rain late at night,
- Mostly cloudy with a (30%) chance of AM rain, partly cloudy and a bit cooler Tuesday afternoon, mostly clear and colder Tuesday night,
- Then partly cloudy and a bit warmer Wednesday.
- highs 62-63 cooling to 59 Tuesday warming to 64 Wednesday lows 49-40. (seasonal averages high 55 low 38)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a (30%) chance of showers tonight, patchy fog late (under 0.10 in. of rain possible),
- Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer Thursday afternoon, partly cloudy in the evening, mostly cloudy late Thursday night,
- Mostly cloudy and a bit warmer with a (30%) chance of Friday afternoon, coastal rain likely (70%) while a good (50%) chance of inland rain at night (under 0.10 in. of rain possible),
- Mostly cloudy with AM rain likely (70%), rain and a bit warmer Saturday afternoon, then mostly cloudy with rain Saturday night.
- lows 39-48 highs 56-60.
- Mostly cloudy and a bit warmer with rain Sunday and in the evening, rain likely (70%) late Sunday night,
- Mostly cloudy with rain likely (70%) Monday, rain likely (70%) at night,
- Mostly cloudy with a good (50%) chance of AM rain, partly cloudy with a (30%) chance of rain and a bit cooler Tuesday afternoon, becoming mostly clear late Tuesday night,
- Then partly cloudy and a bit warmer Wednesday.
- highs 62-57 warming to 60 Saturday lows 47-39. (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 evening rain and snow, just mostly cloudy late tonight (0.10 in. of rain possible, 1 in. of snow possible),
- A mix of clouds and sun and a bit cooler Thursday, partly cloudy Thursday night,
- A mix of clouds and sun in the AM, mostly cloudy and a bit warmer with a slight (20%) chance of rain and a slight (20%) chance of snow Friday afternoon, mostly cloudy with a good (50%) chance of rain at night,
- Mostly cloudy and a bit cooler with rain likely (70%) Saturday, then rain Saturday night.
- snow level 3,000 ft. tonight, 3,500 ft. rising to 5,000 ft. Thursday afternoon, free air freezing level 6,500 ft. rising to 7,000 ft. late Thursday night, snow level 5,000 ft. Friday, 6,000 ft. Friday night, 7,000 ft. Saturday, then above 8,000 ft. Saturday night.
- lows 22-39 highs 37-44 cooling to 42 Saturday.
- Mostly cloudy with rain and a bit warmer Sunday, rain likely (70%) Sunday night,
- Mostly cloudy and a bit warmer with rain and snow likely (70%) Monday, rain with snow likely (70%) at night,
- A mix of clouds and sun a bit cooler with a good (50%) chance of rain and snow Tuesday, partly cloudy in the evening, mostly clear late Tuesday night,
- Then sunny and a bit warmer Wednesday.
- snow level 7,500 ft. Sunday, 6,500 ft. Sunday night, 6,500 ft. Monday, 5,000 ft. Monday night, 4,500 ft. Tuesday, 4.500 ft. Tuesday night, then free air freezing level 10,000 ft. Wednesday.
- highs 44-46 cooling to 49 Monday cooling to 45 Tuesday lows 38-30.