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Check out my latest Eugene Daily News Weather Or Not Column Hot Air Doesn’t Necessarily Mean Warm Water.

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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 weekly weather quiz question. What is a “debris cloud?” 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 (Shaded “U” shape with blue arrows off the British Columbia coast is sending air up at us from the southwest keeping the temperatures stable. A weak disturbance will cool things a bit Friday as it brings in more clouds, then high pressure returns to warm us up again for the weekend.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 30 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 14 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 32 in the Good category measuring Ozone.

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 this evening, mostly cloudy tonight,
• Cloudy with a slight (20%) chance of light rain or drizzle Friday AM, a mix of clouds and sun and a bit cooler in the afternoon, partly cloudy Friday night,
• Mostly sunny and a bit warmer Saturday and Sunday, mostly clear Saturday night, partly cloudy Sunday evening, then mostly cloudy late at night.
• lows 50-46 warming back to 50 Sunday night highs 78-82.
• A mix of clouds and sun and a bit cooler Monday, partly cloudy at night,
• Mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night and Wednesday AM, mostly sunny and warmer Wednesday afternoon, partly cloudy Wednesday night and Thursday AM, then mostly sunny and even warmer Thursday afternoon.
• highs 77-88 lows 47-52. (seasonal averages high 74 low 48)

Eugene/Springfield Pollen Count:

Trees: Low- 11

Grass: Very High- 216

Reading as of: 6/17/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

• Mostly clear tonight,
• Mostly cloudy Friday AM, sunny and a bit cooler in the afternoon, mostly clear Friday night,
• Sunny Saturday and Sunday, mostly clear Saturday night, partly cloudy Sunday night.
• lows 53-57 cooling back to 53 Sunday night highs 83-88.
• Mostly sunny Monday through Thursday.
• highs 82-88 lows 53-55. (seasonal averages high 76 low 52)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Partly cloudy this evening, mostly cloudy late tonight and Friday AM, sunny and warmer in the afternoon, mostly clear in the evening, partly cloudy with patchy coastal fog late Friday night and Saturday AM, sunny in the afternoon, partly cloudy in the evening, then mostly cloudy late Saturday night,
• Mostly cloudy in the AM, mostly sunny and cooler Sunday afternoon, then partly cloudy Sunday night.
• lows near 52 highs 60-58.
• Partly cloudy Monday through Thursday.
• highs near 60 lows near 52. (seasonal averages high 62 low 51)

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Forecast for the Cascades in Lane County:

• Partly cloudy tonight through Friday night,
• Mostly sunny and a bit warmer Saturday and Sunday, mostly clear Saturday night, partly cloudy Sunday night.
• free air freezing level 12,000 ft. tonight, 11,000 ft. Friday, 12,000 ft. Friday night through Saturday night,
• lows 43-46 cooling back to 43 Saturday night highs 65-73.
• Mostly sunny and warmer Monday, Tuesday, Wednesday and Thursday mostly clear Monday night, partly cloudy Tuesday night, then mostly clear Wednesday night.
• free air freezing level 10,000 ft. Monday and Monday night, 11,000 ft. Tuesday and Tuesday night, 12,000 ft. Wednesday, then 13,000 ft. Wednesday night and Thursday.
• highs 65-78 lows 42-48.

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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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