Look for lots of sunshine and slowly warming temperatures for your weekend into next week.

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Here is my weekly weather quiz question. This is your last chance to win this week.  What is “ablation?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

 

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Advisories: There is a Green Algae warning that continues for Dexter Reservoir. Water monitoring has confirmed the presence of blue-green algae that can produce toxins, state public health officials said. The algae levels are likely associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals. Swallowing or inhaling water droplets, as well as skin contact with water, should be avoided according to the authorities.

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A series of upper level low pressure troughs (Shaded “U” shapes or just in blue arrows) will keep our airflow moving onshore to keep at least some clouds over us. A very weak cold front fell apart as it tried to move through, but it didn’t have much of an effect on our weather except to keep us a little on the “cool” side today. That means pleasant weather for the remainder of the 44th Annual Oregon Country Fair through Sunday.

 

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The Grass Pollen Count is listed as Moderate at 16 and Tree pollen is Low at 3 as of 7/12/13 according to Oregon Allergy Associates.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly clear tonight, sunny Saturday, mostly clear at night, mostly sunny and a bit warmer Sunday, clear at night, sunny and warmer Monday, then mostly clear Monday night lows 47-55 highs 82-90. Mostly sunny Tuesday, mostly clear in the evening, mostly cloudy Tuesday night and Wednesday AM, partly cloudy at night and Thursday AM, mostly sunny Thursday afternoon, partly cloudy Thursday night and Friday AM, then mostly sunny an a bit cooler Friday highs 90-85 lows near 53. (seasonal averages high 82 low 51)

 

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Forecast for the Umpqua Basin including Roseburg: Clear tonight, sunny and warmer Saturday and Sunday with mostly clear skies at night, mostly sunny and a bit warmer Monday, then mostly clear Monday night lows 52-57 highs 86-92. Mostly sunny Tuesday, then partly cloudy and a bit cooler Tuesday night through Friday highs 92-88 lows near 56. (seasonal averages high 84 low 56)

 

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear this evening, mostly cloudy late tonight and Saturday AM, sunny in the afternoon, mostly clear in the evening, mostly cloudy late Saturday night and Sunday AM, sunny and a bit warmer in the afternoon, partly cloudy in the evening, mostly cloudy late Sunday night, partly cloudy Monday, then clear Monday night lows 52-55 highs 67-70. Sunny Tuesday, partly cloudy Tuesday night through Wednesday night, then mostly cloudy Thursday through Friday highs near 68 lows near 54. (seasonal averages high 64 low 53)

 

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Forecast for the Cascades of Lane County: Mostly clear tonight, sunny Saturday, mostly clear at night, mostly sunny Sunday, clear at night, sunny Monday, then partly cloudy Monday night free air freezing level 12,000 ft. tonight and Saturday, 13,000 ft. Saturday night,  14,000 ft. Sunday through Monday, then 14,000 ft. rising to 15,000 ft. Monday night lows 42-50 highs 73-76. Mostly sunny Tuesday AM, partly cloudy with a slight (20%) chance of showers and thunderstorms in the afternoon and evening, partly cloudy late at night and Wednesday AM, then mostly sunny and a bit cooler Wednesday afternoon through Friday with mostly clear nights free air freezing level  14,000 ft. Tuesday and Tuesday night, then 15,000 ft. Wednesday through Friday highs 76-70 lows 48-45.

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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 news on-line at Eugene Daily News.com.

 

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