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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) is taking over to keep us warmer, dry and in sunshine for a while. Look for temperatures 10 degrees above normal and even more.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 27 in the Good category measuring Particulate Matter.

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

Cottage Grove: The Air Quality Index is 27 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:

• Partly cloudy with patchy AM fog, mostly sunny and warmer today and Friday, mostly clear tonight, partly cloudy Friday night through Saturday night.
• highs 83-85 cooling back to near 83 Saturday lows 47-52.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Sunday afternoon, mostly cloudy with a slight (20%) chance of evening showers, a good (50%) chance of showers Sunday night and Monday, cloudy with a (40%) chance of showers Monday night,
• Mostly cloudy with a (40%) chance of showers Tuesday, a (30%) chance of evening showers, a slight (20%) chance of showers late Tuesday night,
• A slight (20%) chance of AM showers, then a mix of clouds and sun Wednesday afternoon.
• highs 75-65 warming to 70 Wednesday lows 53-48. (seasonal averages high 69 low 45)
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Eugene-Springfield Pollen Count

Trees: Moderate- 19

Grass: Very High- 316

Reading as of: 5/27/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

• Partly cloudy this AM, sunny and warmer this afternoon, mostly clear this evening, partly cloudy late tonight,
•  Partly cloudy Friday with a slight (20%) chance of afternoon thunderstorms, partly cloudy in the evening, mostly cloudy late Friday night,
• Then mostly cloudy Saturday AM, partly cloudy with a slight (20%) chance of thunderstorms and a bit cooler Saturday afternoon and evening, mostly cloudy late Saturday night.
• highs 85-83 lows 53-56.
• Mostly cloudy with a slight (20%) chance of showers and thunderstorms Sunday and Sunday night,
• Mostly cloudy and cooler with a slight (20%) chance of showers Monday and Tuesday, cloudy with a slight (20%) chance of showers Monday night, mostly cloudy with a slight (20%) chance of showers Tuesday night,
• Mostly cloudy with a slight (20%) chance of AM showers, then just partly cloudy Wednesday afternoon.
• highs 78-70 warming to 73 Wednesday lows 55-50. (seasonal averages high 72 low 49)
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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Mostly cloudy this AM, sunny this afternoon, mostly clear this evening, partly cloudy late tonight,
• Mostly cloudy Friday AM, partly cloudy in the afternoon and evening, then mostly cloudy late Friday night through Saturday night.
• highs near 62 lows near 52.
• Mostly cloudy with a (30%) chance of showers and a slight (20%) chance of thunderstorms Sunday and Sunday night,
• Mostly cloudy with a (30%) chance of showers Monday through Tuesday, mostly cloudy in the evening, then just partly cloudy late Tuesday night and Wednesday.
• highs 62-59 warming back to 62 Wednesday lows 53-50. (seasonal averages high 60 low 49)

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Forecast for the Cascades in Lane County:

• Mostly sunny this AM, partly cloudy with a slight (20%) chance of showers and thunderstorms this afternoon and evening, becoming mostly clear late tonight,
• Mostly sunny Friday AM, partly cloudy and warmer with a slight (20%) chance of showers and thunderstorms in the afternoon and evening, just partly cloudy late Friday night,
• Partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Saturday afternoon and evening, then just partly cloudy late at night.
• snow level above 8,000 ft. today through Friday night, free air freezing level 12,000 ft. Saturday AM, then snow level above 8,000 ft. Saturday afternoon and evening, then free air freezing level 12,000 ft. late Saturday night.
• highs 69-72 cooling back to 69 Saturday lows 42-44.
• A mix of clouds and sun and cooler Sunday with a good (50%) chance of showers and thunderstorms in the afternoon, becoming mostly cloudy with a good (50%) chance of showers and thunderstorms in the evening, a good (50%) chance of showers late Sunday night through Tuesday, a (30%) chance of evening showers, a slight (20%) chance of showers late Tuesday night,
• A mix of clouds and sun with a slight (20%) chance of showers Wednesday AM, then a mix of clouds Wednesday afternoon.
• free air freezing level 12,000 ft. Sunday AM, snow level above 8,000 ft. Sunday afternoon and Sunday night, 8,000 ft. Monday, 7,500 ft. Monday night and Tuesday, 7,500 ft. rising to above 8,000 ft. late Tuesday night and Wednesday AM, then free air freezing level 10,000 ft. Wednesday afternoon.
• highs 63-53 warming to 55 Wednesday lows 43-38.

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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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