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Tim Chuey Weather

Check out my latest Eugene Daily News Weather Or Not column We’ve Worried About The “Big One,” But What About The Other “Super Big One?”

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Please read my Feature article Put Them Up, Take Them Down, Repeat, No More?

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And my feature article about Contractors Electric called Is The Ground Wire The White One Or The Black One?

 

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Here is my weekly weather quiz question. What is the “Backwater Effect?”  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 blue arrows) will slowly migrate across Oregon. That means we’ll slowly warm up a bit. The graphics for days 3-7 show the next major frontal system will move over the Pacific Northwest Monday through Tuesday and another one approaching Saturday. So far, the 4th of July looks dry with temperatures near 80. That’s just about normal.

 

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 26 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 20 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 30 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

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Advisories:

  • A Health Advisory has been issued for Lake Billy Chinook, located 12 miles west of Madras in Jefferson County. Water monitoring has has confirmed the presence of Blue-green Algae and the toxins they produce. These toxin concentrations ca be harmful to humans and animals. People should avoid swallowing water while swimming 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. Although toxins are not absorbed through the skin, people who have skin sensitivities may experience a puffy, red rash at the affected area.Drinking water directly from these areas of Lake Billy Chinook at this time is especially dangerous. Oregon public health officials advise campers and other recreational visitors that toxins cannot be removed by boiling, filtering or treating water with camping-style filters.
  • A Permanent Health Advisory remains in effect for the South Umpqua River and Lawson 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 clear this evening, mostly cloudy with patchy drizzle late tonight and Saturday AM, partly cloudy and a bit cooler Saturday afternoon, mostly clear at night,
  • AM clouds, mostly sunny and a bit warmer Sunday afternoon, mostly clear in the evening, mostly cloudy late Sunday night,
  • AM clouds Monday,mostly sunny and a bit warmer in the afternoon, then mostly clear Monday night.
  • lows 54-50 warming to 55 Sunday night cooling to 49 Monday night highs 78-83.
  • Mostly sunny and slightly warmer Tuesday (Independence Day), clear at night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Then sunny and a bit cooler Thursday, clear Thursday night,
  • Then sunny and a bit warmer Friday.
  • highs 84-86 lows 50-54. (seasonal averages high 78 low 50)

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Eugene-Springfield Pollen Count

Grass………. High (100)

Trees………. Moderate (16)

Last Counted: 6/30/17

Data Courtesy of Oregon Allergy Associates.

 

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Forecast for Roseburg:

  • Partly cloudy with areas of drizzle this evening, cloudy with patchy drizzle late tonight,
  • Mostly cloudy with patchy drizzle Saturday AM, partly cloudy in the afternoon, mostly clear Saturday night,
  • Partly cloudy with areas of AM fog, mostly sunny and a bit warmer Sunday afternoon, mostly clear at night,
  • AM clouds, mostly sunny and a bit cooler Monday, then clear Monday night.
  • lows 55-58 highs 80-85.
  • Mostly sunny and a bit warmer Tuesday (Independence Day), mostly clear at night,
  • Mostly sunny and a bit cooler Wednesday and Thursday, mostly clear at night,
  • Then mostly sunny and a bit warmer Friday.
  • highs 85-87 lows near 58. (seasonal averages high 80 low 54)

 

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

  • Cloudy with areas of evening coastal drizzle and a slight (20%) chance of showers and areas of drizzle late tonight while a slight (20%) chance of showers and areas of drizzle inland late tonight,
  • Mostly cloudy with a slight (20%) chance of AM coastal showers and areas drizzle while a slight (20%) chance of inland AM showers and patchy drizzle, partly cloudy in the afternoon, becoming mostly clear in the evening, partly cloudy late Saturday night,
  • Mostly cloudy with areas of fog in the AM, sunny Sunday afternoon, mostly clear in the evening, mostly cloudy late at night,
  • AM clouds with areas of fog, sunny Monday afternoon, then mostly clear Monday night.
  • lows near 53 highs near 64.
  • Mostly sunny Tuesday (Independence Day) and Wednesday, mostly clear at night,
  • Partly cloudy Thursday AM, sunny in the afternoon, mostly clear at night,
  • Then mostly sunny Friday.
  • highs near 64 lows near 54. (seasonal averages high 63 low 52)

 

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Forecast for the Cascades in Lane County:

  • Partly cloudy with a slight (20%) chance of evening showers and thunderstorms mainly near the crest, patchy drizzle late tonight and Saturday AM, mostly sunny and a bit cooler in the afternoon, clear Saturday night,
  • Sunny and a bit warmer Sunday, then mostly clear at night,
  • Mostly sunny and a bit warmer Monday, then mostly clear at night.
  • snow level above 8,000 ft. this evening, free air freezing level 13,000 ft. rising to 14,000 ft. Saturday afternoon, 14,000 ft. rising to 15,000 ft. Saturday night, then 16,000 ft. Sunday and Sunday night, 15,000 ft. Monday and Monday night.
  • lows 47-45 warming back to 47 Sunday night cooling back to 45 Monday night highs 67-77.
  • Sunny and a bit warmer Tuesday (Independence Day), clear at night,
  • Sunny and a bit cooler Wednesday, partly cloudy in the evening, clear Wednesday night.
  • Mostly sunny and a bit cooler Thursday, partly cloudy in the evening, clear late at night,
  • Then mostly sunny and a bit warmer Friday.
  • free air freezing level 15,000 ft. Tuesday through Wednesday, 15,000 ft. falling to 14,000 ft. Wednesday night, 14,000 ft. Thursday, 14,000 ft. rising to 15,000 ft. Thursday night, then 15,000 ft. Friday.
  • highs 78-80 cooling to 76 Thursday warming to 78 Friday lows 46-50.

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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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