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Check out my latest Eugene Daily News Weather Or Not Column They Have Been Getting Harder To Find These Days.

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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 “theodolite?”  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 (Shaded “Arch” shape with blue arrows) has been controlling our allowing temperatures to rise to well above normal. The ridge is moving to the east allowing a increased marine flow of air to cool us down a bit. A frontal system will bring even cooler air by Friday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 35 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 30 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 38 in the Good category measuring Particulate Matter.

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

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Advisories:

• A RED FLAG WARNING IS IN EFFECT UNTIL 10 PM WEDNESDAY  FOR THE UMPQUA NATIONAL FOREST, WESTERN ROUGE RIVER AND THE SISKIYOU NATIONAL FOREST IN DOUGLAS COUNTY, CURRY COUNTY, COOS COUNTY AND LANE COUNTY. ABUNDANT LIGHTNING AND OTHER WEATHER CONDITIONS FAVOR THE POSSIBILITY OF LIGHTNING STRIKE FIRES.
• A FIRE WEATHER WATCH IS IN EFFECT UNTIL 10 PM WEDNESDAY NIGHT FOR DOUGLAS COUNTY, WHEELER COUNTY, CROOK COUNTY, LAKE COUNTY, DESCHUTES COUNTY, KLAMATH COUNTY, GRANT COUNTY, WASCO COUNTY, HARNER COUNTY, AND JEFFERSON COUNTY. WINDY AND VERY DRY CONDITIONS WILL SERIOUSLY INCREASE THE FIRE DANGER.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly clear tonight,
• Mostly sunny and a bit cooler Wednesday, mostly clear at night,
• Partly cloudy Thursday AM, mostly sunny in the afternoon, clear Thursday night,
• Mostly sunny and cooler Friday, then mostly clear at night.
• lows 50-45 warming to 48 Friday night highs 82-77.
• Mostly sunny Saturday, partly cloudy Saturday night and Sunday AM, mostly sunny in the afternoon, then partly cloudy Sunday night through Tuesday.
• highs 78-72 lows near 48. (seasonal averages high 72 low 47)

Eugene-Springfield Pollen Count:

Trees: Moderate- 16

Grass: Very High- 596

Reading as of: 6/9/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

• Partly cloudy tonight,
• Sunny Wednesday, Thursday, and Friday (cooler), clear each night.
• lows 55-50 warming to 53 Thursday night cooling to 50 Friday night highs 86-84.
• Mostly sunny and a bit cooler Saturday and Sunday, mostly clear Saturday night, partly cloudy Sunday night,
• Then partly cloudy Monday through Tuesday.
• highs 82-78 lows 50-52 cooling to 49 Monday night. (seasonal averages high 74 low 51)
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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Partly cloudy tonight,
• Mostly cloudy Wednesday AM, sunny and a bit cooler in the afternoon, mostly clear in the evening, partly cloudy late Wednesday night and Thursday AM, sunny in the afternoon, mostly clear Thursday night,
• Mostly sunny Friday, then mostly clear Friday night.
• lows 52-50 highs near 60.
• Partly cloudy Saturday through Tuesday.
• highs 60-64 lows near 50. (seasonal averages high 61 low 50)

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Forecast for the Cascades in Lane County:

• Partly cloudy with a slight (20%) chance of showers and thunderstorms this evening, just partly cloudy and cooler late tonight,
• Mostly sunny and cooler Wednesday and Thursday, clear both nights,
• Sunny, but cooler, Friday, then clear Friday night.
• snow level above 8,000 ft. tonight, free air freezing level 14,000 ft. Wednesday, 15,000 ft. Wednesday night through Thursday night, 14,000 ft. Friday, then 13,000 ft. Friday night.
• lows 52-45 warming to 49 Thursday night, cooling to 43 Friday night highs 74-66.
• Sunny and a bit warmer Saturday, clear in the evening, partly cloudy late Saturday night and Sunday AM, mostly sunny in the afternoon, clear in the evening, partly cloudy Sunday night through  Tuesday AM, then mostly sunny and a bit cooler Tuesday afternoon.
• free air freezing level 13,000 ft. Saturday and Saturday night, 13,000 ft. falling to 12,000 ft. Sunday afternoon, 12,000 ft. Sunday night and Monday, then 11,000 ft. Monday night and Tuesday.
• highs 72-65 lows 40-43 cooling to to 39 Monday night.

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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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