Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/03/they-flutter-like-little-helicopters/
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Here is my weekly weather quiz question. What is a “Degree Day?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs. Good luck.
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An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) is sending us some more weather systems. The graphics for days 1-3 show the frontal system that moved through Oregon. The graphics for days 3-7 show a disturbance heading our way Monday, then what appears to be a break from storms Tuesday through next Thursday. A front can be seen off the Canada coast Thursday morning. An Upper Level High Pressure Ridge (Shaded “Arch” shape with arrows) takes over bringing sunshine and warmer temperatures for Tuesday through Thursday of next week.
Note: Willamette Pass Ski is closed for the season due to a lack of snow, but Hoodoo is open Thursday through Sunday from 9 AM- 4 PM or 9 PM. Mt. Ashland is open and reports all lifts are operating. They will also be open 9 AM until 4 pm March 24th through April 1st for Spring break. Check their websites for details on days of operation and ski conditions.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 6 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 43 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 4 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Home Wood Heating Advisory:
(Posted Daily)
Eugene-Springfield: GREEN – Burning is Allowed.
Oakridge: GREEN – Burning is Allowed.
*Note: Pellet stoves may be used anytime if they produce no visible emissions.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Advisories:
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM THIS EVENING FOR THE COAST RANGE OF NORTHWEST OREGON AND THE CENTRAL COAST RANGE OF WESTERN OREGON.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM THIS EVENING FOR THE THE NORTHERN OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE CASCADES IN LANE COUNTY.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 1 AM SATURDAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 AM SATURDAY FOR
- A WINTER STORM WARNING IS IN EFFECT UNTIL 1 AM SATURDAY ABOVE 2,500 FT. FOR THE DOUGLAS COUNTY FOOTHILLS.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 1 AM SATURDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
- A WINTER WEATHER ADVISORY IS IN EFFECT FROM 7 PM THIS EVENING UNTIL 1 AM SATURDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY.
- A WIND ADVISORY IS IN EFFECT 7 PM THIS EVENING FOR CENTRAL AND EASTERN LAKE COUNTY.
- 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 showers and a bit cooler this afternoon (0.50 in. of rain possible, AM snow level 500-1,000 ft., an inch or less of snow accumulation expected), cloudy with evening rain and snow showers, a good (50%) chance of rain and snow showers late tonight (0.25 in. of rain possible, an inch or less of snow accumulation expected, snow level 500-1,000 ft.),
- A (40%) chance of AM rain and snow showers, rain and snow showers likely (70%) with a slight (20%) chance of thunderstorms and a bit warmer Saturday afternoon (0.10 in. of rain possible, little or no snow accumulation expected, snow level 500 ft.), a (40%) chance of evening showers and a slight (20%) chance of thunderstorms, a slight (20%) chance of rain and snow showers late at night (under 0.10 in. of rain possible, snow level 500 ft. late),
- A mix of clouds and sun with a slight (20%) chance of AM rain and snow showers, a (40%) chance of showers and a bit warmer Sunday afternoon, then mostly cloudy with a (40%) chance of showers Sunday night.
- highs 45-49 lows 32-35.
- Mostly cloudy and a bit warmer with a (30%) chance of showers Monday, a slight (20%) chance of showers Monday night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of rain Tuesday and at night,
- A mix of clouds and sun and a bit warmer Wednesday, then partly cloudy and a bit warmer Wednesday night and Thursday.
- highs 52-60 lows 35-37. (seasonal averages high 57 low 38)
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Forecast for Roseburg:
- Mostly cloudy with showers, snow showers and a slight (20%) chance of thunderstorms and a bit cooler this afternoon and evening (0.50 in.of rain possible, more in storms, 3-5 in. of snow possible, snow level 1,500 ft. rising to 2,000 ft.), a good (50%) chance of snow showers late tonight (0.25 in. of rain possible, 2-4 in. of snow possible, evening snow level 800 ft.),
- Cloudy with AM rain and snow showers, a (40%) chance of showers, snow showers with a slight (20%) chance of thunderstorms Saturday afternoon and evening (under 0.10 in. of rain possible, snow level 500 ft. rising to 1,500 ft. in the afternoon), a slight (20%) chance of rain and snow showers late Saturday night (under 0.10 in. of rain possible, snow level 2,000 ft. falling to 1,000 ft.late at night),
- Mostly cloudy and a bit warmer with a (40%) chance of rain and snow showers Sunday (snow level 900 ft. rising to 2,000 ft.), a (30%) chance of rain and snow showers Sunday night.
- highs 49-54 lows 33-36.
- Mostly cloudy and a bit warmer with a slight (20%) chance of rain and snow showers Monday, just mostly cloudy at night and Tuesday, then partly cloudy and a bit warmer Tuesday night through Thursday.
- highs 59-66 cooling to 62 Friday lows 39-42. (seasonal averages high 59 low 40)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with showers and a slight (20%) chance of thunderstorms this afternoon and a bit cooler (0.50 in. of rain possible, snow level 2,000 ft., little or no snow accumulation expected), showers, snow showers and a slight (20%) chance of thunderstorms this evening, a good (50%) chance of rain and snow showers late tonight (0.25 in. of rain possible, 1-2 in. of snow possible above 1,000 ft. while no accumulation expected below 1,000 ft., snow level 700 ft. falling to 200 ft. late tonight),
- Cloudy with AM coastal showers likely (70%) with coastal showers and a slight (20%) chance of thunderstorms and a bit warmer Saturday afternoon while a good (50%) chance of inland AM rain and snow showers with showers, snow showers and a slight (20%) of thunderstorms in the afternoon (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 900 ft. rising to 1,500 ft.), showers likely (70%) with a slight (20%) chance evening thunderstorms,a slight (20%) chance of coastal showers late at night while a slight (20%) chance of inland rain and snow showers late Saturday night (under 0.10 in. of rain possible, snow level 2,000 ft. falling to 1,500 ft. late at night),
- Mostly cloudy with a (30%) chance of coastal showers while a (40%) chance of inland AM rain and snow showers with a (30%) chance of inland showers and a bit cooler Sunday afternoon (snow level 1,000 ft. rising to 2,000 ft), mostly cloudy with a (30%) chance of evening showers, then a (40%) chance of rain and snow showers late Sunday night,
- highs 50-52 lows 36-38.
- Mostly cloudy and a bit warmer with a slight (20%) chance of showers Monday, just mostly cloudy at night,
- Then partly cloudy and a bit warmer Tuesday through Thursday.
- highs 55-60 cooling to 56 Friday lows near 42. (seasonal averages high 54 low 42)
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Forecast for the Cascades in Lane County:
- Mostly cloudy and a bit cooler with snow showers, possibly heavy at times, and breezy (S 15-25 mph gusts to 40 mph decreasing and shifting SW 5-15 mph in the afternoon) today 4-8 in. of snow possible), snow showers tonight (3-6 in. of snow possible),
- A slight (20%) chance of AM snow showers, a bit warmer with snow showers likely (70%) Saturday (1 in. of snow possible), mostly cloudy and cold with a good (50%) chance of snow showers Saturday night (1 in. of snow possible),
- A mix of clouds and sun and a bit cooler with a good (50%) chance of snow showers Sunday (1 in. of snow possible), then mostly cloudy with a good (50%) chance of snow showers and cold Sunday night.
- snow level 2,500 ft. this afternoon, at the surface tonight, 1,500 ft. Saturday, 2,000 ft.Saturday night, at the surface Sunday, then 2,000 ft. Sunday night.
- highs near 32 lows 16-20.
- Mostly cloudy and a bit warmer with a slight (20%) chance of snow showers Monday, a slight (20%) chance of snow at night,
- A mix of clouds and sun and a bit warmer Tuesday with a slight (20%) chance of rain and snow, partly cloudy with a slight (20%) chance of rain Tuesday night,
- Then partly cloudy and a bit warmer Wednesday through Thursday.
- snow level 2,000 ft. Monday afternoon, 2,500 ft. Monday night, 3,500 ft. Tuesday, 6,000 ft. Tuesday night, free air freezing level 9,000 ft. Wednesday, then 10,000 ft. Wednesday night and Thursday.
- highs 35-52 lows 22-30.
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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.
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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.
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