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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 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 weather allowing temperatures to rise to well above normal. The ridge is moving to the east away from us and low pressure is swinging in from the Northwest. That is increasing the westerly marine flow of air to cool us down quite a bit. A weak cold front will enhance the cooling trend by Friday. That’s great news for the NCAA Outdoor Track and Field Trials that run through Saturday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 42 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 17 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 42 in the Good category measuring Ozone.

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

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Advisories:

• A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM FRIDAY  FOR THE EAST SLOPES OF THE NORTHERN OREGON CASCADES, THE LOWER COLUMBIA BASIN OF OREGON, THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, FOR THE DESCHUTES NATIONAL FOREST, MINUS SISTERS RANGER DISTRICT AND THE CENTRAL MOUNTAINS OF OREGON FOR GUSTY WINDS AND LOW HUMIDITY.

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

• Clear tonight,
• Mostly sunny Friday, mostly clear at night,
• Partly cloudy in the AM, mostly sunny Saturday afternoon, mostly clear Saturday night,
• AM clouds, sunny and warmer Sunday afternoon, partly cloudy at night
• lows 47-44 warming to 50 highs 76-82.
• Partly cloudy Monday and Monday night,
• Mostly sunny and cooler Tuesday, then partly cloudy Tuesday night through Thursday.
• highs 82-74 lows near 50-47. (seasonal averages high 72 low 47)

Eugene-Springfield Pollen Count:

Trees: Low- 8

Grass: Very High- 299

Reading as of: 6/11/15

Data courtesy of Oregon Allergy Associates.

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Forecast for the Umpqua Basin including Roseburg:

• Clear tonight,
• Mostly sunny Friday, Saturday, and Sunday, clear Friday night, mostly clear Saturday night, then partly cloudy Sunday night.
• lows 54-50 warming back to 54 Sunday night highs 82-85 cooling back to 82 Sunday.
• Partly cloudy Monday through Wednesday, mostly clear at night,
• Then mostly sunny Thursday.
• highs 82-79 lows near 52. (seasonal averages high 75 low 51)
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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Clear this evening, partly cloudy late tonight and Friday AM, sunny in the afternoon, clear in the evening, partly cloudy late Friday night and breezy (Wind: N 15-25 mph decreasing to 10-15 mph at the shore late at night while N 10-15 mph inland),
• Partly cloudy Saturday AM, sunny in the afternoon, mostly clear in the evening, then partly cloudy late Saturday night through Sunday night.
• lows near 50 highs near 60.
• Partly cloudy Monday through Tuesday night,
• Mostly cloudy Wednesday AM, then partly cloudy in the afternoon through Thursday.
• highs near 60 lows near 50. (seasonal averages high 61 low 50)

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Forecast for the Cascades in Lane County:

• Clear tonight,
• Mostly sunny Friday, Saturday and Sunday (warmer), clear Friday night and Saturday night, partly cloudy Sunday night.
• free air freezing level 14,000 ft. tonight and Friday, 13,000 ft. Friday night and Saturday, then 12,000 ft. Saturday night through Sunday night.
• lows 43-39 warming to 42 Sunday night highs 67-74.
• Partly cloudy and cooler Monday through Thursday.
• free air freezing level 13,000 ft. Monday, 12,000 ft. late Monday night through Wednesday, 10,000 ft. late Wednesday night and Thursday.
• highs 68-62 lows 42-39.

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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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