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Tim Chuey Weather

Check out my latest Eugene Daily News Weather Or Not column:

http://eugenedailynews.com/2018/04/active-volcanoes-are-all-over-the-earth-but-even-in-space/

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Here is my weekly weather quiz question What is  “Doppler Radar?”  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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The graphics for days 1-3 show the next frontal system moving through Oregon Sunday.  An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) has returned cooler temperatures and precipitation chances our way continuing through next Tuesday. The graphics for days 3-7 show the frontal system that pushes through the Pacific Northwest Sunday shown past us early Monday.

 

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 15 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 7 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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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 showers showers and isolated thunderstorms and cooler today (0.25 in. of rain possible), evening showers likely (70%), a (40%) chance of showers late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with showers likely (70%) and a bit warmer Saturday (0.10 in. of rain possible), cloudy with evening showers likely (70%), a good (50%) chance of showers late Saturday night (0.10 in. of rain possible) trough Sunday night,
  • Cloudy and a bit cooler with with a good (50%) chance of showers Sunday (0.25 in. of rain possible), then mostly cloudy with a (40%) chance of showers Sunday night.
  • highs 57-59 cooling back to 57 Sunday lows 44-42.
  • Cloudy with a good (50%) chance of showers and a bit warmer Monday, mostly cloudy with a slight (20%) chance of showers at night,
  • A mix of clouds and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Partly cloudy and a bit warmer Wednesday, mostly clear at night,
  • Then partly cloudy and a bit warmer Thursday.
  • highs 56-73 lows 40-43. (seasonal averages high 63 low 41)

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Eugene-Springfield Pollen Count

Grass………. Moderate (8)
Trees………. Very High (1353)
Last Counted: 4/26/18
Data Courtesy of Oregon Allergy Associates

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Forecast for Roseburg:

  • Cloudy and much cooler with showers and isolated thunderstorms this afternoon (under 0.10 in. of rain possible), evening showers likely (70%) with a slight (20%) chance of thunderstorms, a (30%) chance of showers late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with AM showers likely (70%), showers Saturday afternoon (0.25 in. of rain possible), showers likely (70%) Saturday night (0.10 in. of rain possible),
  • AM showers likely (70%), showers and a bit cooler Sunday afternoon (0.25 in. of rain possible), mostly cloudy with a (30%) chance of showers at night.
  • highs 60-56 lows 45-43.
  • A (30%) chance of showers and a bit warmer Monday, a slight (20%) chance of evening showers, just mostly cloudy at night,
  • Mostly cloudy and a bit warmer Tuesday, just partly cloudy and a bit warmer Tuesday night and Wednesday, mostly clear Wednesday night,
  • Then partly cloudy and a bit warmer Thursday.
  • highs 59-76 lows 42-47. (seasonal averages high 65 low 44)

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

  • Cloudy with showers and Isolated thunderstorms this afternoon (under 0.10 in. of rain possible), mostly cloudy with evening showers likely (70%) and a slight (20%) chance of thunderstorms, a good (50%) chance of showers late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with AM coastal showers and coastal showers likely (70%) Saturday afternoon and evening while inland showers and a bit cooler in the afternoon (under 0.10 in. of rain possible), a (30%) chance of coastal showers late at night while inland showers Saturday night (under 0.10 in. of rain possible),
  • Cloudy with a coastal showers likely (70%) while inland AM showers likely (70%) and inland showers Sunday afternoon, then mostly cloudy with a (40%) chance of showers at night.
  • highs 56-54 lows 47-44.
  • Mostly cloudy with a slight (20%) chance of showers Monday and in the evening, just mostly cloudy late Monday night,
  • Partly cloudy and a bit warmer Tuesday, mostly clear at night,
  • Partly cloudy and a bit warmer Wednesday, mostly clear Wednesday night,
  • Then partly cloudy and a bit warmer Thursday.
  • highs 56-64 lows 43-47. (seasonal averages high 57 low 44)

 

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Forecast for the Cascades in Lane County:

  • Mostly cloudy and much cooler with showers and isolated thunderstorms this afternoon (0.25 in. of rain possible), evening showers likely with a slight (20%) chance of thunderstorms, a good (50%) chance of rain and snow showers and colder late tonight (0.10 in. of rain possible, more in storms, 1 in. of snow possible),
  • Cloudy with rain and snow showers likely (70%)  and a bit cooler Saturday (0.25 in. of rain possible, 1 in. of snow possible), rain and snow showers likely (70%) at night,
  • A bit cooler with rain and snow showers likely (70%) Sunday  afternoon and evening (2 in. of snow possible), a good (50%) chance of rain and snow showers late Sunday night.
  • snow level 8,000 ft. falling to 7,500 ft. this afternoon, 4,500 ft. tonight through Sunday night.
  • highs 46-40 lows 32-30.
  • Mostly cloudy and a bit cooler with a (40%) chance of rain and snow showers Monday and in the evening, a (30%) chance of rain and snow showers at night,
  • Mostly cloudy in the AM, partly cloudy and a bit warmer Tuesday afternoon and at night,
  • Partly cloudy Wednesday AM, mostly sunny and a bit warmer in the afternoon, mostly clear Wednesday night,
  • Then partly cloudy and a bit warmer Thursday with a slight (20%) chance of showers in the afternoon.
  • snow level 3,500 ft. Monday, 4,000 ft. Monday night, free air freezing level 5,000 ft. Tuesday, 6,500 ft. Tuesday night, 7,500 ft. Wednesday, 9,000 ft. Wednesday night, then snow level above 8,000 ft. Thursday.
  • highs 42-62 lows 29-36.

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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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