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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 high pressure ridge (“Arch” shape with blue arrows offshore) has taken over to keep us warmer than normal. An upper level low (Shaded “U” shape with blue arrows of the same graphic) will swing in through northern California returning the clouds and the chance of showers and at the same time cool us down.

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Air Quality Index:

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

Oakridge: The Air Quality Index is 25 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 22 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:

• Mostly sunny and a bit warmer today, partly cloudy tonight,
• A mix of clouds and sun and just a bit cooler Saturday, partly cloudy in the evening,  partly cloudy late Saturday night,
• A mix of clouds and sun Sunday AM, increasing clouds to cloudy and a bit cooler with a slight (20%) chance of showers Sunday afternoon, then a good (50%) chance of showers Sunday night.
• highs 85-78 lows 50-53.
• Cloudy with a good (50%) chance of showers Monday and Monday night,
• Mostly cloudy with a (40%) chance of showers Tuesday AM, a slight (20%) chance of showers and a bit warmer in the afternoon and at night,
• A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of showers in the evening, then just partly cloudy Wednesday night and Thursday.
• highs 66-70 lows 52-47. (seasonal averages high 69 low 45)
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Eugene-Springfield Pollen Count

Trees: Moserate- 16

Grass: Very High- 245

Reading as of: 5/28/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

•  Partly cloudy with a slight (20%) chance of thunderstorms this afternoon, just mostly cloudy late tonight,
• Mostly cloudy Saturday with a slight (20%) chance of thunderstorms and a bit cooler in the afternoon and evening, partly cloudy late Saturday night,
• Mostly cloudy with a slight (20%) chance of thunderstorms Sunday afternoon and evening, then a (30%) chance of showers late Sunday night.
• highs 86-79 lows near 56.
• Cloudy with AM showers likely (60%) Monday, a (40%) chance of showers and cooler in the afternoon and Monday night through Tuesday, mostly cloudy with a slight (20%) chance of showers Tuesday night through Thursday AM, then just partly cloudy and warmer Thursday afternoon.
• highs 66-74 lows near 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 with patchy coastal fog this AM, partly cloudy this afternoon and evening, mostly cloudy with patchy coastal fog late tonight through Saturday night,
• Then cloudy with a (30%) chance of showers Sunday and in the evening, rain likely (60%) late Sunday night.
• highs 60-58 warming to 65 Sunday lows near 52.
• Cloudy with a (30%) chance of showers Monday and Monday night,
• Mostly cloudy with a (30%) chance of showers Tuesday, a slight (20%) chance of showers in the evening, then just mostly cloudy late Tuesday night through Thursday.
• highs 57-62 lows 52-50. (seasonal averages high 60 low 49)

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Forecast for the Cascades in Lane County:

• Mostly sunny this AM, partly cloudy and warmer with a slight (20%) chance of showers and thunderstorms this afternoon and evening, just partly cloudy late tonight,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers and thunderstorms Saturday afternoon, mostly cloudy with a slight (20%) chance of showers and thunderstorms in the evening, then just mostly cloudy late at night,
• AM clouds and sun, mostly cloudy and cooler Sunday with a (40%) chance of showers and thunderstorms in the afternoon, becoming cloudy with a good (50%) chance of showers and thunderstorms in the evening, then a good (50%) chance of showers late Sunday night.
• snow level above 8,000 ft. tonight through Sunday night.
• highs 76-70 lows 42-45.
• Cloudy and cooler with a good (50%) chance of showers Monday, mostly cloudy with a good (50%) chance of showers at night,
• A (40%) chance of showers 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,  partly cloudy with a slight (20%) chance of showers Wednesday night and Thursday AM, then just partly cloudy Thursday afternoon.
• snow level 8,000 ft. Monday, 8,000 ft. falling to 7,000 ft. late Monday night, 7,000 ft. Tuesday and Tuesday night,  7,500 ft. Wednesday, then 8,000 ft. Wednesday night and Thursday.
• highs 54-52 warming to 55 Thursday lows 38-36.

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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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