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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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An Upper Level High Pressure Ridge (Shaded “Arch” shape with arrows) took over bringing dry and sunny weather, but that will change. The graphics for days 1-3 show the next frontal system moving through Oregon tonight and early Friday.  An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) will help bring cooler temperatures and the precipitation chance our way by tonight continuing through next Tuesday. The graphics for days 3-7 show the frontal system that will be affecting the Pacific Northwest Sunday shown past us early Monday.

 

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 21 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 20 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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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:

  • Cloudy with a good (50%) chance of showers tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with showers and cooler Friday (0.50 in. of rain possible), a (40%) chance of showers Friday night (under 0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit warmer Saturday afternoon (0.10 in. of rain possible), cloudy with a good (50%) chance of showers Saturday night (0.10 in. of rain possible),
  • Cloudy and a bit cooler with with a good (50%) chance of showers Sunday, then mostly cloudy with a (40%) chance of showers Sunday night.
  • lows 48-42 highs 58-55.
  • Cloudy with a good (50%) chance of AM showers, a slight (20%) chance of showers and a bit warmer Monday afternoon, mostly cloudy with a slight (20%) chance of evening showers, just mostly cloudy 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 40-42. (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:

  • Mostly cloudy this evening with a (30%) chance of showers and a slight (20%) chance of  thunderstorms, a (30%) chance of showers late tonight,
  • Cloudy and much cooler with a (40%) chance of showers Friday, mostly cloudy with a (30%) chance of evening showers and a slight (20%) chance of thunderstorms, a (30%) chance of showers late at night,
  • Mostly cloudy with a (40%) chance of AM showers, showers likely (70%) Saturday afternoon, a (40%) chance of showers Saturday night,
  • Cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit cooler Sunday afternoon, mostly cloudy with a (30%) chance of showers at night.
  • lows 49-43 highs 59-56.
  • A (30%) chance of showers and a bit warmer Monday, a slight (20%) chance of rain 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 58-76 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  a (30%) chance of showers tonight (under 0.10 in. of rain possible),
  • Cloudy with a (40%) chance of showers Friday (under 0.10 in. of rain possible), mostly cloudy with a (30%) chance of evening showers and a slight (20%) chance of thunderstorms, a slight (20%) chance of showers late at night (under 0.10 in. of rain possible),
  • Mostly cloudy with a (30%) chance of coastal showers Saturday while a good (50%) chance of inland AM showers and inland showers likely (70%) and a bit cooler in the afternoon (under 0.10 in. of rain possible), a (30%) chance of showers Saturday night (under 0.10 in. of rain possible),
  • Cloudy with a good (50%) chance of showers Sunday, mostly cloudy with a (40%) chance of showers at night.
  • lows 48-46 warming 47 Saturday night cooling to 44 Sunday night highs near 56.
  • 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 56-62 lows 43-47. (seasonal averages high 57 low 44)

 

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Forecast for the Cascades in Lane County:

  • Mostly cloudy a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms,a good (50%) chance of  showers likely (70%) late tonight (under 0.10 in. of rain possible, more in storms),
  • Mostly cloudy and much cooler with showers Friday (0.50 in. of rain possible), a good (50%) chance of rain and snow showers and colder at night (0.10 in. of rain possible),
  • Cloudy with a good (50%) chance of rain and snow showers Saturday AM, rain and snow showers likely (70%)  and a bit cooler Saturday afternoon (1 in. of snow possible), evening rain and snow showers likely (70%), a good (50%) chance of rain and snow showers at night and Sunday AM, a bit cooler with rain and snow showers likely (70%) Sunday  afternoon  and evening, a good (50%) chance of rain and snow showers late Sunday night.
  • snow level above 8,000 ft. tonight, 8,000 ft. falling to 7,000 ft. Friday afternoon, 5,5000 ft. Friday night, 4,500 ft. Saturday, 5,500 ft. falling to 5,000 ft. Saturday night, 4,500 ft. rising to 5,000 ft. Sunday, then 4,500 ft. falling top 4,000 ft. Sunday night.
  • lows 40-29 highs 46-39.
  • Mostly cloudy and a bit cooler with a (40%) chance of rain and snow showers Monday and in the evening, a slight (20%) 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. rising to 4,000 ft. Monday, 4,500 ft. falling to 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 39-62 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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