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Tim Chuey Weather

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

http://eugenedailynews.com/2018/06/mother-nature-just-couldnt-wait-for-the-starting-gun/

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Here is my weekly weather quiz question. What is an “Evaporimeter?” 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 arrows) is moving down from the Gulf of Alaska and will bring a change in our weather pattern to cloudier and wet. The graphics for days 1-3 show next frontal system that moves through Friday bringing rain and cooler temperatures. The graphics for days 3-7 show the some week surface disturbances (dashed lines) as they slide eastward and a frontal system that approaches and then moves through between Wednesday and next Thursday.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 35 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 11 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 33 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

HEALTH ADVISORIES:

  • A PUBLIC HEALTH ADVISORY IS IN EFFECT FOR DETROIT LAKE, LOCATED 46 MILES SE OF SALEM. THE LAKE SPANS BOTH LINN AND MARION COUNTIES. WATER MONITORING HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE AND THE TOXINS THEY PRODUCE IN DETROIT LAKE. PEOPLE SHOULD AVOID SWALLOWING WATER, OR INHALING WATER DROPLETS AS A RESULT OF HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS WHERE BLOOMS ARE IDENTIFIED. ALSO KEEP PETS AWAY FROM THE WATER.
  • 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:

  • Partly cloudy tonight,
  • Mostly cloudy with rain developing and a bit cooler Friday afternoon (0.10 in. of rain possible), evening rain, showers late Friday night (0.25 in. of rain possible),
  • AM showers, a bit cooler with showers and a slight (20%) chance of thunderstorms Saturday afternoon (0.25 in. of rain possible) and evening, showers likely (70%) late Saturday night (0.10 in. of rain possible),
  • Then mostly cloudy and a bit warmer with a good (50%) chance of showers Sunday and Sunday night.
  • lows 48-50 cooling to 44 Saturday night warming to 47 Sunday night highs 64-59 warming back to 64 Sunday.
  • Mostly cloudy with a good (50%) chance of AM showers, partly cloudy and a bit warmer with a slight (20%) chance of  showers Monday afternoon and evening, just partly cloudy at night,
  • Partly cloudy and a bit warmer Tuesday and Tuesday night,
  • Then partly cloudy with a slight (20%) chance of showers Wednesday afternoon through Thursday.
  • highs 72-75 lows 46-49. (seasonal averages high 71 low 47)

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Eugene-Springfield Pollen Count

Grass………. High (162)
Trees………. Low (3)
Last Counted: 6/7/18
Data Courtesy of Oregon Allergy Associates

 

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Forecast for Roseburg:

  • Partly cloudy this evening, mostly clear late tonight,
  • Partly cloudy Friday AM, mostly cloudy and a bit cooler with a (40%) chance of rain in the afternoon (under 0.10 in. of rain possible), rain Friday night (0.25 in. of rain possible),
  • Showers likely (70%) Saturday AM, showers and a bit cooler with showers a slight (20%) chance of thunderstorms  in the afternoon (0.25 in. of rain possible, more in storms), mostly cloudy with showers likely (70%) in the evening, a good (50%) chance of showers late Saturday night (0.10 in. of rain possible),
  • Mostly cloudy with a (40%) chance of showers and a bit warmer Sunday, then a slight (20%) chance of showers  at night.
  • lows 50-46 warming back to 50 Sunday night highs 72-59 warming to 67 Sunday.
  • A slight (20%) chance of AM showers, becoming mostly sunny and a bit warmer with a slight (20%) chance of showers Monday afternoon, partly cloudy with a slight (20%) chance of evening showers, becoming mostly clear late Monday night,
  • Mostly sunny and a bit warmer Tuesday, mostly clear at night,
  • Sunny and slightly cooler with a slight (20%) chance of a errant showers Wednesday afternoon, mostly clear with a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late Wednesday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday.
  • highs 77-83 cooling to 76 Thursday lows near 50. (seasonal averages high 74 low 51)

 

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

  • Partly cloudy tonight,
  • Mostly cloudy with a slight (20%) chance of AM rain at the shore with rain and a bit cooler at the shore Friday afternoon while partly cloudy in the AM inland and mostly cloudy and a bit cooler with inland rain likely (70%) in the afternoon (0.10 in. of rain possible), rain likely (70%) Friday night (0.25 in. of rain possible),
  • A bit cooler with a showers likely (70%) Saturday afternoon (0.25 in. of rain possible) and evening, a good (50%) chance of showers late at night (0.10 in. of rain possible),
  • Mostly cloudy and warmer with a good (50%) chance of showers Sunday, then a slight (20%) chance of showers Sunday night.
  • lows 52-49 warming back to 52 Sunday night highs 62-58 warming back to 62 Sunday.
  • Mostly cloudy with a slight (20%) chance of showers Monday AM, mostly sunny and a bit warmer with a slight (20%) chance of showers in the afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy late Monday night,
  • Mostly sunny Tuesday, mostly clear at night,
  • Partly cloudy with a slight  (20%) chance of showers Wednesday afternoon through Thursday AM, then just partly cloudy and a bit cooler Thursday afternoon.
  • highs 65-63 lows near 52. (seasonal averages high 61 low 50)

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Forecast for the Cascades in Lane County:

  • Partly cloudy tonight,
  • Partly cloudy and a bit cooler with a good (50%) chance of rain developing Friday afternoon (0.10 in. of rain possible), rain in the evening, showers late Friday night (0.50 in. of rain possible) and Saturday AM, much cooler with rain and snow showers and a slight (20%) of thunderstorms in the afternoon (1 in. of snow possible), cloudy with rain and snow showers likely (70%) with a slight (20%) chance of thunderstorms in the evening, a good (50%) chance of rain and snow showers late Saturday night (1 in. of snow possible),
  • Mostly cloudy with a good (50%) chance of rain and snow showers and a bit warmer Sunday, then a good (50%) chance of rain Sunday night.
  • free air freezing level 11,000 ft. tonight, snow level 7,000 ft. Friday, above 8,000 ft. falling to 7,000 ft. late Friday night, 5,500 ft. Saturday, 4,500 ft. late Saturday night, 4,000 ft. rising to 5,500 ft. Sunday afternoon, 6,000 ft. rising to 7,500 ft. late Sunday night.
  • lows 40-32 warming to 36 Sunday night highs 62-42 warming to 44 Sunday.
  • Mostly cloudy with a good (50%) chance of AM showers, partly cloudy and much warmer with a slight (20%) chance of showers Monday afternoon and in the evening, just partly cloudy late at night,
  • Partly cloudy and a bit warmer Tuesday, partly cloudy with a slight (20%) chance of showers late Tuesday night,
  • Then partly cloudy with a slight (20%) chance of showers and a bit warmer Wednesday through Thursday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday.
  • snow level 7,500 ft. Monday, 8,000 ft. Monday evening, free air freezing level 13,000 ft. late Monday night through Tuesday evening, then snow level above 8,000 ft. Tuesday night through Thursday.
  • highs 60-66 cooling to 62 Thursday lows  40-42.

 

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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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