Here is my weekly weather quiz question What is the “Kelvin Temperature Scale?
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An Upper Level Low Pressure Trough (“U” shape) continues to control the weather of the Pacific Northwest. The graphics for days 1-3 show the complex frontal system that’s moving through Oregon. The graphics for days 3-7 show the complex frontal systems moving our way Friday through next Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 8 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 5 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 3 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT ABOVE 4,000 FT. FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON, THE OCHOCO, AND THE JOHN DAY HIGHLANDS.
- A WINTER STORM WARNING IS IN EFFECT UNTIL 8 PM THIS EVENING FOR THE EAST SLOPES OF THE OREGON CASCADES.
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:
- Partly cloudy with a good (50%) chance of evening rain (under 0.10 in. of rain possible), just partly cloudy with patchy fog and frost late tonight,
- Clouds and sun with areas of AM frost and patchy fog, a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of showers with patchy fog late Wednesday night,
- Mostly cloudy with a slight (20%) chance of AM showers, a bit cooler with a good (50%) chance of showers Thursday afternoon and evening (under 0.10 in. of rain possible), then a (30%) chance of rain late at night (under 0.10 in. of rain possible),
- Mostly cloudy with a good (50%) chance of AM rain, rain and a bit cooler Friday afternoon, then rain Friday night Friday night.
- lows 33-37 highs 58-50.
- Mostly cloudy rain Saturday, rain Saturday night,
- Mostly cloudy and a bit cooler with rain Sunday and in the evening, rain late and snow likely (70%) Sunday night,
- Mostly cloudy with AM rain and snow likely (70%), rain and a bit warmer Monday afternoon, evening showers likely (70%), a good (50%) chance of showers late Monday night,
- Then mostly cloudy with showers likely (70%) Tuesday.
- highs 50-47 warming back to 50 Tuesday lows 37-33. (seasonal averages high 58 low 38)
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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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Eugene-Springfield Pollen Count:
Grass Pollen: Low (0)
Tree Pollen: Moderate (80)
Last counted: 3.27.23
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a good (50%) chance of evening showers and snow showers, rain and snow showers late tonight (evening snow level 3,000 ft.),
- Partly cloudy with a slight (20%) chance of AM rain and snow showers, mostly cloudy and a bit warmer with a (30%) chance of showers Wednesday (afternoon snow level 1,500 ft. rising to 3,000 ft.), partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night (under 0.10 in. of rain possible),
- Mostly cloudy with areas of AM fog, a bit cooler with a (40%) chance of showers Thursday afternoon (snow level 3,000 ft.), a good (50%) chance of evening showers, a good (50%) chance of rain and snow showers late Thursday night,
- Mostly cloudy with a good (50%) chance of AM rain and snow, rain likely (70%) and a bit cooler Friday afternoon and evening, then rain late Friday night.
- lows 35-42 highs 57-53.
- Mostly cloudy with AM rain and snow (snow possibly heavy at times), rain and a bit cooler Saturday afternoon, rain and snow showers Saturday night,
- Mostly cloudy and a bit cooler with rain and snow showers Sunday and in the evening, rain and snow showers likely (70%) late Sunday night,
- Mostly cloudy with rain and snow showers and a bit warmer Monday, rain and snow showers likely (70%) Monday night and Tuesday AM, then rain and snow showers and a bit warmer Tuesday afternoon.
- highs 52-48 warming to 50 Tuesday lows 39-35. (seasonal averages high 60 low 41)
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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 (under 0.10 in. of rain possible, snow level 2,000 ft. late tonight),
- Mostly cloudy with a slight (20%) chance of coastal showers while mostly cloudy with a (30%) chance of inland showers Wednesday, mostly clear in the evening, mostly cloudy late Wednesday night.
- Mostly cloudy with areas of AM fog, a (30%) chance of coastal showers and a bit cooler Thursday while a (30%) chance of inland showers and a bit cooler Thursday afternoon, a good (50%) chance of showers at night,
- Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Friday afternoon, then rain and windy Friday night.
- lows 36-38 highs 54-50 warming to 52 Friday.
- Mostly cloudy with rain and windy Saturday, showers Saturday night,
- Mostly cloudy and a bit cooler with showers Sunday, rain and snow showers at night and Monday, evening showers likely (70%), rain and snow showers likely (70%) Monday night,
- Mostly cloudy with AM rain and snow showers likely (70%), then showers Tuesday afternoon.
- highs near 52-49 lows 37-34. (seasonal averages high 55 low 43)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy with a good (50%) chance of snow and rain this evening, a slight (20%) chance of rain and snow showers late tonight (0.10 in. of rain possible, 2 in. of snow possible),
- A mix of clouds and sun with a good (50%) chance of rain and snow showers and a bit warmer Wednesday afternoon, mostly cloudy with a good (50%) chance of evening rain showers and snow showers, partly cloudy with a slight (20%) chance of rain and snow showers late Wednesday night (under 0.10 in. of rain possible),
- Mostly cloudy and a bit cooler with a good (50%) chance of rain and snow showers Thursday, snow and rain Friday night (snow possibly heavy at times late at night),
- Mostly cloudy with AM snow likely (70%), rain and snow and a bit cooler Friday afternoon, evening snow and rain showers likely (70%), snow and rain showers late Friday night (snow possibly heavy at times late at night)
- snow level 2,500 ft. tonight, 3,500 ft. Wednesday afternoon, 3,000 ft. Wednesday night through Friday, then 3,500 ft. Friday night.
- lows 20-26 highs 38-35.
- Mostly cloudy with snow and rain and a bit cooler Saturday (snow possibly heavy at times), evening rain and snow, snow late Saturday night (snow possibly heavy at times),
- Mostly cloudy and a bit cooler with snow Sunday and in the evening (evening snow possibly heavy at times), a good (50%) chance of snow late at night,
- Mostly cloudy and a bit cooler with snow Monday, snow showers Monday night,
- Then mostly cloudy and a bit warmer with snow showers Tuesday.
- snow level 3,000 ft. Saturday, 2,500 ft. Saturday night and Sunday, 1,500 ft. Sunday night and Monday, then 2,000 ft. Monday night and Tuesday.
- highs 33-30 warming to 32 Tuesday lows 24-19.
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For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com
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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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