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Tim Chuey Weather

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 as Upper Level High Pressure (Shaded “U” shape with blue arrows) weakens 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 between Christmas Eve and Christmas Day.

NOTE: Winter officially began at 11:28 am today with the Winter Solstice.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 54 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 41 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 9 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: YELLOW –  Caution Is Advised.

OakridgeYELLOW –  Caution Is Advised.

*Note: Pellet stoves may be used anytime if they produce no visible emissions.

Data courtesy of Lane Regional Air Protection Agency

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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 patchy evening fog, areas of freezing fog and a slight (20%) chance of drizzle or light freezing drizzle late tonight,
  • Mostly cloudy with patchy freezing fog and a good (50%) chance of rain and a bit warmer Friday afternoon (under 0.10 in.of rain possible), a good (50%) chance of rain with patchy freezing fog late Friday night (under 0.10 in.of rain possible),
  • Mostly cloudy with a (30%) chance of  AM rain, partly cloudy and a bit warmer Saturday afternoon and evening, patchy freezing fog late Saturday night,
  • Cloudy with freezing rain and rain or snow likely (70%) Sunday AM, a bit cooler with rain likely (70%) and a (40%) chance of freezing rain in the afternoon, then rain likely (70%) Sunday night.
  • lows 27-32 cooling to 29 Sunday night highs 38-40 cooling back to 38 Sunday.
  • Mostly cloudy with a (40%) chance of AM freezing rain, a bit warmer with a (40%) of rain Monday afternoon (Christmas Day) and Monday night,
  • Mostly cloudy with a (30%) chance of rain and a bit warmer Tuesday through Wednesday night,
  • Then a mix of clouds and sun with a (30%) chance of rain Thursday.
  • highs near 42 lows 32-29. (seasonal averages high 45 low 33)

 

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Forecast for Roseburg:

  • 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 cooler in the afternoon and evening, a slight (20%) chance of rain late Friday night,
  • Mostly cloudy with patchy fog and and a slight (20%) chance of rain in the AM, mostly cloudy a bit warmer Saturday afternoon, a slight (20%) chance of rain with patchy freezing fog late at night (under 0.10 in.of rain possible),
  • Cloudy with AM rain likely (70%), a good (50%) chance of rain Sunday afternoon, mostly cloudy with a (30%) chance of rain Sunday night.
  • lows 34-38 cooling to 36 Sunday night highs 40-44.
  • Mostly cloudy and a bit warmer with a (30%) chance of rain and snow Monday (Christmas Day) and Monday night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Tuesday and Tuesday night,
  • A slight (20%) chance of AM rain and snow showers, a slight (20%) chance of showers and a bit cooler Wednesday afternoon and Wednesday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of AM rain and snow showers, then a slight (20%) chance of showers Thursday afternoon.
  • highs 48-45 lows 33-30. (seasonal averages high 47 low 36)

 

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Partly cloudy this evening, mostly cloudy late tonight,
  • Mostly cloudy with a slight (20%) chance of coastal rain Friday afternoon and Friday night (under 0.10 in.of rain possible),
  • Patchy fog and a slight (20%) chance of rain Saturday AM, mostly cloudy and a bit warmer with a slight (20%) chance of coastal showers in the afternoon, a slight (20%) chance of evening coastal showers and a (40%) chance of coastal rain at night while a slight (20%) chance of inland rain Saturday night (under 0.10 in.of rain possible),
  • Cloudy with AM rain likely (70%), a good (50%) chance of rain Sunday afternoon, a (40%) chance of showers Sunday night.
  • lows 38-40 highs 48-52 cooling to 50 Sunday.
  • Mostly cloudy with a (40%) chance rain and a bit warmer Monday (Christmas Day) through Tuesday night,
  • Then mostly cloudy with a slight (20%) chance of showers Wednesday through Thursday.
  • highs 52-50 lows 37-35. (seasonal averages high 51 low 40)

 

 

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Forecast for the Cascades in Lane County:

  • Partly cloudy this evening, mostly cloudy with a slight (20%) chance of drizzle and light freezing drizzle late tonight,
  • Mostly cloudy and a bit cooler with a good (50%) chance of snow Friday and Friday night,
  • A mix of clouds and sun and a bit cooler with a (40%) chance of snow Saturday, mostly cloudy at night,
  • Cloudy with a (30%) chance of AM rain and snow, a good (50%) chance of rain and snow and freezing rain Sunday and a bit warmer afternoon, rain and snow likely (70%) Sunday night.
  • free air freezing level 4,000 ft. falling to the surface late tonight, snow level at the surface Friday, 2,500 ft. Friday night, free air freezing level at the surface Saturday afternoon and Saturday night, snow level 4,000 ft. Sunday, then 4,500 ft. Sunday night.
  • lows 22-25 highs 33-28 warming to 32 Sunday.
  • Mostly cloudy with a (30%) chance of snow and freezing rain Monday AM (Christmas Day), a bit warmer with a (40%) chance of rain and snow Monday afternoon through Tuesday, a (30%) chance of rain and snow Tuesday night,
  • A (40%) chance of rain and snow Wednesday, mostly cloudy with a (30%) chance of rain and snow Wednesday night,
  • Then a mix of clouds and sun with a (30%) chance of snow Thursday.
  • snow level 4,000 ft. Monday, 4,500 ft. Monday night and Tuesday, 5,000 ft. Tuesday night, 3,500 ft. Wednesday and Wednesday night, then 2,500 ft. Thursday.
  • highs 35-32 lows 25-22.

 

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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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