Mar
12.
An Upper Level Low Pressure Trough (“U” shape) will allow frontal activity to bring us rain again. The graphics for days 1-3 show the front the moving into the Pacific Northwest tonight and Wednesday. The graphics for days 3-7 Saturday through Wednesday show the parade of frontal systems that will move over the Pacific Northwest 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 24 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 11 PM THURSDAY ABOVE 3,500 FT. FOR THE NORTH OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 AM THURSDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES, AND NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM THURSDAY ABOVE 4,000 FT. FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 3 AM UNTIL 10 AM THURSDAY FOR JACKSON COUNTY.
- A WIND ADVISORY IS IN EFFECT FROM 8 AM TODAY UNTIL 5 AM THURSDAY FOR CENTRAL AND EASTERN LAKE COUNTY.
- A FLOOD WARNING IS IN EFFECT DUE TO A DAM FLOOD GATE RELEASE UNTIL EARLY FRIDAY AFTERNOON FOR THE MALHEUR RIVER NEAR VALE AFFECTING MALHEUR COUNTY.
- A FLOOD WARNING IS IN EFFECT UNTIL FURTHER NOTICE FOR THE OWYHEE RIVER BELOW THE OWYHEE DAM AFFECTING 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:
- Mostly cloudy with rain tonight (o.50 in. of rain possible),
- Mostly cloudy with a good (50%) chance of AM rain and thunderstorms, showers with a slight (20%) chance of thunderstorms and slightly cooler Thursday afternoon, rain with a slight (20%) chance of evening thunderstorms, rain with a slight (20%) chance of snow late Thursday night,
- Mostly cloudy with rain and a slight (20%) chance of AM snow, rain Friday afternoon, rain at night,
- Mostly cloudy and a bit warmer with rain Saturday and Saturday night.
- lows 37-35 warming to 44 Saturday night highs 49-52.
- Mostly cloudy with rain Sunday and Sunday night,
- Mostly cloudy with rain Monday, rain at night,
- Mostly cloudy and a bit warmer with rain likely (70%) Tuesday, a slight (20%) chance of rain Tuesday night,
- Then mostly cloudy and a bit warmer with rain Wednesday.
- highs 52-54 lows 37-35 (seasonal averages high 56 low 37).
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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 AM rain and snow showers, a bit cooler with rain showers and snow showers and a slight (20%) chance of thunderstorms Thursday afternoon (1 in. of snow possible, snow level 1,500 ft. rising to 2,000 ft. in the afternoon), rain and snow and a slight (20%) chance of evening thunderstorms, rain and snow late Thursday night (snow level 1,500 ft. falling to 1,000 ft. late Thursday night),
- Mostly cloudy with AM rain and snow, rain and a bit warmer Friday afternoon, evening rain showers and snow, rain and snow late at night,
- Mostly cloudy with AM rain and snow, rain and a bit warmer Saturday and Saturday night.
- lows 44-36 highs 59-50.
- Mostly cloudy with rain and a bit warmer Sunday, rain and snow Sunday night (snow possibly heavy at times),
- Mostly cloudy with rain and snow and a bit cooler Monday, evening rain and snow, rain and snow likely (70%) late at night,
- Mostly cloudy with AM rain and snow likely (70%), a good (50%) chance of rain and a bit warmer Tuesday afternoon, a slight (20%) chance of evening rain, a slight (20%) chance of rain and snow Tuesday night,
- Mostly cloudy with a (%) chance of AM rain and snow, then rain Wednesday night.
- highs 52-54 cooling back to 52 Sunday and Monday lows 40-42 cooling to 39 Sunday night. (seasonal averages high 59 low 39)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with evening coastal rain and a slight (20%) chance of late evening thunderstorms and coastal showers likely (70%) late tonight while inland evening rain with inland rain and a slight (20%) chance of thunderstorms late tonight, snow showers very late tonight (snow level 2,000 ft. late, no snow accumulation expected),
- Mostly cloudy with coastal evening showers and a slight (20%) chance of thunderstorms and a bit warmer Thursday while AM inland showers and snow with a slight (20%) chance of thunderstorms and inland showers with a slight (20%) chance of thunderstorms Thursday afternoon (AM snow level 1,500 ft. no snow accumulation is expected), evening coastal showers with coastal rain late at night while evening inland rain and snow showers are likely (70%) and inland rain and snow late Thursday night (snow level 1,500 ft, no snow accumulation expected),
- Mostly cloudy with coastal rain and a bit warmer Friday while inland AM rain and snow (AM snow level 1,500 ft.) and inland rain late at night ,
- Mostly cloudy with rain and windy and a bit warmer Saturday, rain and windy Saturday night.
- lows 42-36 highs 53-52-54 cooling back to 52 Wednesday.
- Mostly cloudy with rain and a bit cooler and windy Sunday, rain Sunday night,
- Mostly cloudy and slightly cooler with rain Monday and in the evening, rain likely (70%) late at night,
- Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit warmer Tuesday afternoon, mostly cloudy with a good (50%) chance of rain Tuesday night,
- Mostly cloudy with a good (50%) chance of AM rain, then rain Wednesday afternoon.
- highs 52-54 cooling back to 52 Sunday lows 38-42 (seasonal averages high 55 low 42)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with evening rain and snow, snow late tonight (1.00 in. of rain possible, 5-11 in. of snow possible),
- Mostly cloudy with a (%) chance of AM snow, a mix of clouds and sun and a bit cooler with a (%) chance of snow and a slight (20%) chance of thunderstorms Thursday afternoon (0.50 in. of rain possible, 3-6 in. of snow possible), evening snow with a slight (20%) chance of thunderstorms and small hail possible, snow likely (70%) late Thursday night (0.25 in. of rain possible, 1-3 in. of snow possible)
- Mostly cloudy with AM snow, snow and rain and a bit warmer Friday (patchy blowing snow, visibility 0.25 miles or less, snow possibly heavy at times), snow and rain at night (patchy blowing snow, snow possibly heavy at times, visibility 0.25 miles or less),
- Mostly cloudy with snow and rain and a bit warmer Saturday (patchy blowing snow, snow possibly heavy at times, visibility 0.25 miles or less), rain and snow Saturday night (patchy blowing snow, snow possibly heavy at times, visibility 0.25 miles or less).
- snow level 3,500 ft. falling to 2,000 ft. tonight, at the surface Thursday and Thursday night, 3,500 ft. Friday, 3,000 ft. Friday night and Saturday, then 4,500 ft. Saturday night.
- lows 23-20 warming to 37 Saturday night highs 29-34.
- Mostly cloudy with rain and snow and a bit warmer Sunday (patchy blowing snow, snow possibly heavy at times, visibility 0.25 miles or less), snow and rain Sunday night (snow possibly heavy at times),
- Mostly cloudy and a bit cooler with snow and rain Monday, snow likely (70%) with rain at night,
- Mostly cloudy and slightly warmer with snow and rain likely (70%) Tuesday, a (40%) chance of snow with a slight (20%) chance of rain Tuesday night,
- Then mostly cloudy and a bit warmer with rain likely (70%) and a slight (20% ) chance of snow Wednesday.
- snow level 4,500 ft. Sunday, 3,000 ft. Sunday night, 3,000 ft. Monday, 2,500 ft. Monday night through Tuesday night, then 3,500 ft. Wednesday.
- highs 35-33 warming to 37 Monday warming to 33 Wednesday lows 25-22.