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Tim Chuey Weather

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

http://eugenedailynews.com/2018/05/youve-seen-them-fly-but-did-you-know-they-also-can-sail/

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Here is my weekly weather quiz question. What is an “Easterly Wave?”  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) has taken over returning the sunshine. An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) is moving closer sending storms our way by late in the week. The graphics for days 1-3 show the front that will approach the area Thursday AM. The graphics for days 3-7 show the next storm systems that will approach and try to move through the Pacific Northwest Saturday through next Wednesday.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 29 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 26 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 25 in the Good category measuring Ozone.

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:

  • A mix of clouds and sun and a bit cooler this afternoon, mostly cloudy late tonight,
  • Mostly cloudy and slightly cooler Thursday with a slight (20%) chance of evening showers, just mostly cloudy late at night,
  • Cloudy with a slight (20%) chance of showers and a bit cooler Friday, then mostly cloudy with a slight (20%) chance of showers Friday night.
  • highs 73-66 lows 52-48.
  • Mostly cloudy and a bit warmer Saturday,  partly cloudy Saturday night,
  • A mix of clouds and sun and a bit warmer Sunday, partly cloudy at night,
  • Then partly cloudy and a bit warmer Monday (Memorial Day) through Tuesday.
  • highs 67-74 lows 46-49. (seasonal averages high 68 low 45)

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Eugene-Springfield Pollen Count

Grass………. High (143)
Trees………. Moderate (45)
Last Counted: 5/23/18
Data Courtesy of Oregon Allergy Associates

 

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Forecast for Roseburg:

  • Mostly cloudy and cooler with a slight (20%) chance of scattered thunderstorms this afternoon and evening, a slight (20%) chance of showers late tonight and Thursday AM, a (30%) chance of scattered thunderstorms and a bit cooler Thursday afternoon and evening, a (30%) chance of showers late at night,
  • Mostly cloudy with a good (50%) chance of AM showers, a good (50%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Friday afternoon, cloudy with a (40%) chance of showers and a slight (20%) chance of thunderstorms in the evening, then a slight (20%) chance of showers late Friday night.
  • highs 75-64 lows 54-52.
  • Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit warmer Saturday afternoon and evening, mostly cloudy late Saturday night and Sunday AM, partly cloudy and a bit warmer Sunday afternoon and at night,
  • Then partly cloudy and a bit warmer Monday (Memorial Day) through Tuesday.
  • highs 69-78 lows 49-52. (seasonal averages high 71 low 48)

 

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

  • Mostly cloudy and a bit cooler this afternoon, areas of patchy coastal fog and drizzle late tonight while partly cloudy inland in the evening and mostly cloudy with a slight (20%) chance of inland showers late tonight,
  • Patchy AM coastal drizzle while a slight (20%) chance of AM inland showers and patchy drizzle, a bit warmer with a slight (20%) chance of isolated showers Thursday afternoon, a (30%) chance of showers of isolated coastal showers at night while scattered inland evening thunderstorms and inland showers likely (70%) late Thursday night,
  • Mostly cloudy with a (40%) chance of showers and a bit cooler Friday, cloudy with a (30%) chance of showers at night.
  • highs 60-62 cooling to 59 Friday lows 52-50.
  • Mostly cloudy Saturday with a slight (20%) chance of AM showers, just mostly cloudy and a bit warmer in the afternoon and late at night,
  • Mostly cloudy and a bit warmer Sunday, partly cloudy Sunday night,
  • Then partly cloudy Monday (Memorial Day) through Tuesday.
  • highs near 64 lows near 50. (seasonal averages high 60 low 48)

 

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Forecast for the Cascades in Lane County:

  • Mostly cloudy with a good (50%) chance of scattered showers and a bit cooler with isolated thunderstorms this afternoon and evening (0.25 in. of rain possible, more in storms), mostly cloudy with a good (50%) chance of showers late tonight (0.25 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) with a slight (20%) chance of thunderstorms and a bit cooler Thursday afternoon and evening, a good (50%) chance of showers late Thursday night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Friday afternoon, cloudy with evening showers likely (70%), a good (50%) chance of showers late Friday night.
  • snow level above 8,000 ft. today through Friday night.
  • highs 64-53 lows 46-39.
  • Mostly cloudy with a slight (20%) chance of AM showers, just mostly cloudy Saturday afternoon,  partly cloudy Saturday night,
  • A mix of clouds and sun and a bit warmer Sunday, partly cloudy at night,
  • Partly cloudy and a bit warmer Monday (Memorial Day) and Monday night,
  • Then partly cloudy and a bit warmer Tuesday.
  • snow level 7,000 ft. Saturday AM, free air freezing level 10,000 ft. Saturday afternoon, 10,000 ft. rising to 11,000 ft. Saturday night, 11,000 ft. rising to 12,000 ft. Sunday afternoon, 12,000 ft. rising to 13,000 ft. Sunday night, 13,000 ft. Monday and Monday night, then 14,000 ft. falling to 13,000 ft. late Tuesday afternoon.
  • highs 53-66 lows 37-42.

 

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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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