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Check out my latest Eugene Daily News Weather Or Not Column Some Anniversaries Aren’t To Be Cheerfully Celebrated.

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And don’t forget my latest feature story in the continuing series on service club organizations called This Moose Isn’t Named Bullwinkle.

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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 new weekly weather quiz question. What is a “lysimeter?”  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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An upper level low pressure trough that has been controlling our weather is moving away from us. High pressure (“Arch” shape with blue arrows offshore) will be taking over midweek to keep us warmer, dry and in sunshine for a while.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 33 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 28 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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Advisories: None At This Time.

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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 today, partly cloudy tonight,
• AM clouds, partly cloudy and warmer Wednesday and Thursday partly, partly cloudy Wednesday night and Thursday night.
• highs 70-82 lows near 50.
• Partly cloudy Friday and in the evening, mostly cloudy Friday night and Saturday AM, partly cloudy in the afternoon and evening, mostly cloudy late Saturday night,
• A mix of clouds and sun and a bit cooler Sunday, mostly cloudy at night,
• Then mostly cloudy and cooler with a slight (20%) chance of showers Monday afternoon.
• highs 82-74 lows near 50. (seasonal averages high 69 low 45)
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Eugene-Springfield Pollen Count

Trees: Moderate- 19

Grass: High- 31

Reading as of: 5/24/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy this AM, partly cloudy this afternoon and evening, mostly cloudy late tonight and Wednesday AM, sunny and warmer in the afternoon, mostly clear in the evening, partly cloudy late Wednesday night,
• Partly cloudy in the AM, sunny and warmer Thursday afternoon, then partly cloudy Thursday night.
• highs 76-85 lows 52-55 cooling back to 52 Thursday night.
• Partly cloudy Friday and in the evening, mostly cloudy late Friday night,
• Mostly cloudy with a slight (20%) chance of thunderstorms and a bit cooler Saturday and Saturday night,
• Partly cloudy with a slight (20%) chance of thunderstorms Sunday and Sunday night,
• Then mostly cloudy and cooler with a slight (20%) chance of showers Monday afternoon.
• highs 85-73 lows 54-52. (seasonal averages high 72 low 49)
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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Mostly cloudy today, partly cloudy this evening, mostly cloudy late tonight and Wednesday AM, partly cloudy in the afternoon and evening, mostly cloudy late Wednesday night,
• Then partly cloudy Thursday AM, sunny in the afternoon, then partly cloudy Thursday night.
• highs 59-62 lows near 50.
• Partly cloudy Friday and Friday night,
• Mostly cloudy Saturday and at night,
• Then mostly cloudy with a slight (20%) chance of showers Sunday through Monday afternoon.
• highs 60-64 Saturday cooling to near 60 Monday lows near 50. (seasonal averages high 60 low 48)

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Forecast for the Cascades in Lane County:

• Mostly sunny today, partly cloudy tonight,
• Partly cloudy Wednesday and a bit warmer with a slight (20%) chance of showers and thunderstorms in the afternoon and evening, just partly cloudy late Wednesday night,
• Mostly sunny with a slight (20%) chance of showers and thunderstorms Thursday afternoon, then partly cloudy at night.
• free air freezing level 11,000 ft. today and tonight, snow level above 8,000 ft. Wednesday through Thursday, then free air freezing level 13,000 ft. Thursday night.
• highs 60-68 lows 40-49.
• A mix of clouds and sun and warmer Friday with a slight (20%) chance of showers in the afternoon and evening, just partly cloudy late Friday night,
• Mostly cloudy with a slight (20%) chance of showers and thunderstorms and cooler Saturday afternoon and evening, just mostly cloudy late Saturday night,
• A mix of clouds and sun and a bit cooler Sunday with a slight (20%) chance of showers and thunderstorms in the afternoon, partly cloudy with a slight (20%) chance of showers and thunderstorms in the evening, mostly cloudy with a (30%) chance of showers late Sunday night and Monday AM, then a (40%) chance of showers and cooler Monday afternoon.
• snow level above 8,000 ft. Friday through Monday.
• highs 69-56 lows 50-45.

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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 and Lane County news on-line at eugenedailynews.com.

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