Check out my latest Eugene Daily News Weather Or Not column You Won’t Find This W.A.T.C.H. List At The Airport
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Here is my weekly weather quiz question. What is “Condensation?” 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 blue arrows) has taken control of our weather. The graphics for days days 1-3 show the next frontal system approaching Oregon Friday. The graphics for days 3-7 show the complex frontal systems that move across the Pacific Northwest Saturday and again Monday. So far it looks like we may see a rain/snow mix on Friday.
NOTE: Winter officially begins at 11:28 am today with the Winter Solstice.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 83 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 57 in the Moderate category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 44 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: YELLOW – Caution Is Advised.
*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 DENSE FOG ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE NORTH OREGON COAST, THE CENTRAL OREGON COAST, THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY
A FREEZING FOG ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE NORTH OREGON COAST, THE CENTRAL OREGON COAST, THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE.
A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson 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 areas of dense AM freezing fog, colder with patchy freezing fog this afternoon, partly cloudy with areas of evening freezing fog, mostly cloudy with a slight (20%) chance of drizzle or light freezing drizzle late tonight,
- Mostly cloudy with a (40%) chance of AM rain or snow, a bit warmer Friday afternoon with a good (50%) chance of rain with patchy freezing fog (snow level 1,500 ft.), a (40%) chance of evening rain, a slight (20%) chance of rain with patchy freezing fog late Friday night,
- Patchy AM freezing fog, partly cloudy Saturday afternoon, patchy freezing fog late Saturday night.
- highs 33-40 lows 27-32 cooling to 24 Saturday night.
- Patchy freezing fog Sunday AM, a mix of clouds and sun and a bit cooler in the afternoon, mostly cloudy with a (40%) chance of rain or freezing rain or sleet Sunday night and Monday AM (Christmas Day), a bit warmer with a (40%) of rain in the afternoon and Monday night,
- Mostly cloudy with a (30%) chance of rain Tuesday and Tuesday night,
- Then mostly cloudy with a (30%) chance of showers Wednesday.
- highs 38-42 lows 27-33. (seasonal averages high 45 low 33)
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Forecast for Roseburg:
- Areas of AM freezing fog, sunny and a bit cooler with patchy fog this afternoon, partly cloudy with patchy fog this evening, mostly cloudy with patchy freezing fog late tonight,
- Areas of freezing fog Friday AM, mostly cloudy with a slight (20%) chance of rain and a bit warmer in the afternoon and evening, just mostly cloudy late Friday night,
- Patchy AM fog, mostly cloudy and a bit warmer Saturday afternoon, partly cloudy in the evening, mostly cloudy with patchy freezing fog late at night.
- highs 39-43 lows 30-33.
- Mostly cloudy and a bit warmer with a slight (20%) chance of rain Sunday, a (30%) chance of rain Sunday night,
- Mostly cloudy with a (30%) chance of rain and snow Monday AM, a (30%) chance of rain and a bit warmer Monday afternoon (Christmas Day), mostly cloudy with a (40%) chance of rain Monday night,
- Mostly cloudy and a bit cooler with a (40%) chance of rain and snow Tuesday and Tuesday night,
- Then mostly cloudy with a (30%) chance of rain and snow showers and a bit cooler Wednesday.
- highs 46-48 cooling to 44 Wednesday lows 38-33. (seasonal averages high 47 low 36)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Areas of AM inland fog, sunny and a bit cooler this afternoon, partly cloudy this evening, mostly cloudy late tonight,
- Mostly cloudy and a bit warmer with a slight (20%) chance of rain Friday afternoon and evening, mostly cloudy with patchy fog Friday night and Saturday AM, mostly cloudy and a bit warmer in the afternoon, partly cloudy in the evening, mostly cloudy late Saturday night.
- highs 46-50 lows 33-37.
- Mostly cloudy and a bit warmer Sunday with a slight (20%) chance of rain, mostly cloudy with a (30%) chance rain and a bit warmer Sunday night and Monday (Christmas Day), a good (50%) chance of rain Monday night,
- Mostly cloudy with a (40%) chance of AM rain and snow, a (40%) chance of rain and a bit cooler Tuesday afternoon and at night,
- Then mostly cloudy and a bit cooler with a (30%) chance of showers Wednesday.
- highs 52-49 lows 42-37 warming to 39 Tuesday night. (seasonal averages high 51 low 39)
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Forecast for the Cascades in Lane County:
- Mostly sunny and a bit cooler today, partly cloudy this evening, mostly cloudy and a bit warmer late tonight,
- Mostly cloudy and a bit cooler with a good (50%) chance of snow Friday and in the evening, a slight (20%) chance of snow late Friday night,
- Partly cloudy and a bit cooler Saturday and at night.
- free air freezing level at the surface rising to 5,500 ft. this afternoon, 6,500 ft. tonight, snow level at the surface Friday, 2,500 ft. Friday night, then free air freezing level at the surface Saturday and Saturday night,
- highs 35-28 lows 22-17.
- A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain and snow Sunday, mostly cloudy with a (30%) chance of snow Sunday night,
- A (30%) chance of rain and snow or freezing rain or sleet Monday AM (Christmas Day), a bit warmer with a (40%) chance of afternoon rain and snow, mostly cloudy with a (40%) chance of rain and snow Monday night and Tuesday, a (30%) chance of rain and snow Tuesday night,
- Then mostly cloudy with a (40%) chance of snow showers Wednesday.
- snow level 4,000 ft. Sunday, at the surface Sunday night, 3,000 ft. Monday, 3,500 ft. Monday night and Tuesday, 2,500 ft. Tuesday night, then at the surface Wednesday..
- highs near 32 lows 22-25.
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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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