Mar
11.
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 Friday through Tuesday 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 27 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 14 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 FROM 5 PM WEDNESDAY 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 FROM 5 AM WEDNESDAY UNTIL 5 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 FROM 5 PM WEDNESDAY UNTIL 11 PM THURSDAY ABOVE 4,000 FT. FOR THE EAST SLOPES OF THE OREGON CASCADES.
- A WIND ADVISORY IS IN EFFECT FROM 8 AM WEDNESDAY UNTIL 5 AM THURSDAY FOR CENTRAL AND EASTERN LAKE COUNTY.
- A FLOOD WARNING IS IN EFFECT DUE TO A DAM FLOOD GATE RELEASE UNTIL TUESDAY MARCH 18TH FOR THE MALHEUR RIVER NEAR VALE AFFECTING MALHEUR COUNTY.
- A FLOOD WARNING IS IN EFFECT FROM LATE TONIGHT UNTIL FURTHER NOTICE FOR FOR THE OWYHEE RIVER BELOW 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 (0.10 in. of rain possible),
- Mostly cloudy with AM showers, showers and a bit cooler Wednesday afternoon (o.25 in. of rain possible), showers Wednesday night (o.25 in. of rain possible),
- Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Thursday afternoon and evening, rain late at night,
- Mostly cloudy with rain Friday, then showers with a slight (20%) chance of thunderstorms Friday night.
- lows 44-36 warming to 40 Friday night highs 52-49.
- Mostly cloudy and a bit warmer with showers Saturday, rain Saturday night,
- Mostly cloudy with rain Sunday and at night,
- Mostly cloudy with rain Monday, a good (50%) chance of rain Monday night,
- Then mostly cloudy with a good (50%) chance of rain Tuesday.
- highs 52-53 lows 44-35 (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:
- Cloudy with a good (50%) chance of evening rain, rain late tonight,
- Mostly cloudy with rain and a bit cooler Wednesday (snow level 3,500 ft. falling to 3,000 ft.), then rain and snow Wednesday night (1 in. of snow possible),
- Mostly cloudy with AM rain and snow, a bit cooler with showers and snow with a slight (20%) chance of thunderstorms Thursday afternoon (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 2,000 ft. falling to 1,500 ft. late Thursday night),
- Mostly cloudy with rain and snow and a bit warmer Friday afternoon, rain at night.
- lows 44-36 highs 59-50.
- Mostly cloudy with rain and a bit warmer Saturday and Saturday night,
- Mostly cloudy with rain and a bit warmer Sunday, rain Sunday night,
- Mostly cloudy with AM rain and snow, rain and a bit cooler Monday afternoon, evening rain and snow, rain and snow likely (70%) late Monday night,
- Mostly cloudy with AM rain and snow likely (70%), then a good (50%) chance of rain and a bit warmer Tuesday afternoon.
- highs 52-54 cooling back to 52 Sunday and Monday lows 40-42 cooling to 39 Sunday night. (seasonal averages high 58 low 39)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Cloudy with coastal rain tonight while evening inland rain likely (70%) and inland rain late tonight,
- AM coastal rain with a good (50%) chance of coastal rain and a slight (20%) chance of thunderstorms and a bit warmer Wednesday afternoon with rain Wednesday while inland rain and a bit warmer Wednesday afternoon, coastal showers with a slight (20%) chance of thunderstorms at night while inland evening rain with inland rain and a slight (20%) chance of thunderstorms late Wednesday night,
- Mostly cloudy with coastal showers and a slight (20%) chance of thunderstorms and a bit cooler Thursday while AM inland rain and snow with a slight (20%) chance of thunderstorms Thursday and Thursday night,
- Then mostly cloudy with rain Friday and Friday night.
- lows 42-36 highs 53-52-54 cooling back to 52 Wednesday.
- Mostly cloudy with rain and a bit warmer Saturday, rain Saturday night,
- Mostly cloudy with rain and a bit warmer Sunday, rain at night,
- Mostly cloudy and slightly cooler with rain Monday and in the evening, rain likely (70%) Monday night,
- Mostly cloudy with AM rain likely (70%), then a good (50%) chance of rain and a bit warmer Tuesday 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 showers, rain and snow likely (70%) late tonight (0.25 in. of rain possible, 2 in. of snow possible),
- Mostly cloudy and a bit warmer with snow and rain Wednesday (-.25 in. of rain possible, 1-4 in. of snow possible), evening rain and snow showers, snow showers late Wednesday night (0.50 in. of rain possible, 3-6 in. of snow possible),
- Mostly cloudy with AM snow showers, a bit cooler with snow showers and a slight (20%) chance of thunderstorms Thursday afternoon and evening, snow likely (70%) Thursday night,
- Mostly cloudy with snow and rain showers and a bit warmer Friday, snow and rain showers Friday night (snow possibly heavy at times).
- snow level 4,500 ft. tonight, 4,000 ft. Wednesday, 3,500 ft. falling to 2,000 ft. Wednesday night, at the surface Thursday and Thursday night, then 3,000 ft. Friday and Friday night.
- lows 33-20 warming to 27 Friday night highs 37-29 warming to 32 Friday.
- Mostly cloudy with snow and rain showers and a bit warmer Saturday, rain and snow Saturday night (snow possibly heavy at times),
- Mostly cloudy with rain and snow and a bit cooler Sunday (snow possibly heavy at times) and at night (snow possibly heavy at times),
- Mostly cloudy and a bit cooler with snow and rain Monday, snow and rain likely (70%) Monday night,
- Then mostly cloudy and slightly warmer with snow and rain likely (70%) Tuesday.
- snow level 3,000 ft. Saturday, 4,500 ft. Saturday night and Sunday, 3,500 ft. Sunday night, 3,000 ft. Monday, then 2,500 ft. Monday night and Tuesday.
- highs 34-36 cooling to 33 Monday warming to 34 Tuesday lows 30-22.