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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 20 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 20 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 this evening, mostly cloudy tonight,
• Cloudy Friday AM, a mix of clouds and sun and a bit cooler in the afternoon, partly cloudy at night,
• A mix of clouds and sun Saturday AM, mostly sunny and warmer in the afternoon, then mostly clear Saturday night.
• highs 80-76 warming to 82 Saturday lows 50-46 warming to 52 Saturday night.
• Mostly sunny Sunday AM, partly cloudy in the afternoon and evening, mostly cloudy late Sunday night and Monday AM, partly cloudy and cooler in the afternoon and at night,
• Mostly sunny and a bit warmer Tuesday, partly cloudy Tuesday night and Wednesday AM, then mostly sunny Wednesday afternoon.
• highs 82-76 warming to 84 Wednesday lows near 50. (seasonal averages high 74 low 48)

Eugene/Springfield Pollen Count:

Trees: Low- 8

Grass: High- 126

Reading as of: 6/17/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

• A mix of clouds and sun today, mostly clear this evening, mostly cloudy late tonight,
• Mostly cloudy Friday AM, sunny and a bit cooler in the afternoon, mostly clear in the evening,  mostly clear late Friday night,
• Mostly sunny Saturday, then mostly clear at night.
• highs 83-88 lows 52-55.
• Mostly sunny Sunday, Monday and Tuesday, mostly clear each night,
• Then sunny Wednesday.
• highs 83-88 lows near 54. (seasonal averages high 76 low 52)

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

• Partly cloudy with patchy coastal fog this AM, partly cloudy this afternoon and  evening, mostly cloudy late tonight,
• Mostly cloudy Friday AM, sunny and warmer in the afternoon, mostly clear in the evening, partly cloudy with patchy AM coastal fog late Friday night and Saturday AM, sunny in the afternoon, partly cloudy in the evening, then mostly cloudy late Saturday night.
• highs 60-57 lows 52-50.
• Mostly cloudy with patchy fog in the AM, mostly sunny and cooler Sunday afternoon, partly cloudy with patchy fog Sunday night and Monday, partly cloudy Monday night and Tuesday, mostly clear at night,
• Then mostly sunny Wednesday.
• highs near 60 lows 53-50. (seasonal averages high 62 low 51)

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Forecast for the Cascades in Lane County:

• Mostly sunny today, partly cloudy tonight through Saturday AM, mostly sunny in the afternoon, then mostly clear at night.
• free air freezing level 13,000 ft. today, 12,000 ft. tonight, 11,000 ft. Friday, 12,000 ft. Friday night through Saturday night.
• highs 70-64 warming to 73 Saturday lows 42-47.
• Mostly sunny Sunday AM, partly cloudy in the afternoon through Monday AM, mostly sunny Monday afternoon, Tuesday and Wednesday, clear to mostly clear each night.
• free air freezing level 12,000 ft. Sunday, 12,000 ft. falling to 10,000 ft. Sunday night, 10,000 ft. Monday afternoon, 10,000 ft. rising to 11,000 ft. late Monday night, 11,000 ft. rising to 13,000 ft. Tuesday, 13,000 ft. falling to 12,000 ft. late Tuesday night, then 12,000 ft. rising to 13,000 ft. Wednesday.
• highs 73-66 warming to 78 Wednesday lows near 42.

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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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