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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 today even though it falls apart. 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 36 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 10 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 36 in the Good category measuring Ozone.

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

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Advisories:

• A HEAT ADVISORY IS IN EFFECT UNTIL 5 PM SATURDAY FOR CURRY COUNTY.
• A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM THIS EVENING  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 and breezy (Wind: N 15-25 mph and gusty this evening decreasing to 10 mph tonight) tonight,
• Sunny Saturday, clear Saturday night,
• Mostly sunny and warmer Sunday and Monday, then partly cloudy Monday night.
• lows 45-50 highs 78-83 cooling to near 80 Monday.
• Patchy AM clouds, mostly sunny Tuesday, Wednesday, Thursday and Friday, partly cloudy each night.
• highs 76-73 lows near 50-47. (seasonal averages high 72 low 47)

Eugene/Springfield Pollen Count:

Trees: Low- 8

Grass: Very High- 377

Reading as of: 6/12/15

Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Basin including Roseburg:

• Clear tonight,
• Sunny Saturday and Sunday, clear Saturday night, mostly cloudy clear in the evening, then partly cloudy Sunday night through Monday night,
• lows 50-54 highs 82-85 cooling back to 82 Sunday.
• Partly cloudy Tuesday, mostly clear Tuesday night, mostly sunny Wednesday, mostly clear in the evening, partly cloudy late at night,
• Partly cloudy Thursday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy Thursday night and Friday AM, then sunny Friday afternoon.
• highs 82-79 lows near 52. (seasonal averages high 75 low 51)

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Forecast for the Umpqua Basin including Roseburg:

• Clear tonight,
• Sunny Saturday and Sunday, clear Saturday night, then partly cloudy Sunday night,
• Partly cloudy Monday and at night.
• lows 50-55 highs 82-85 cooling back to 82 Sunday.
• Partly cloudy Tuesday through Wednesday, mostly clear at night,
• Then mostly sunny Thursday.
• highs 82-80 warming back to 82 Friday 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:

• Mostly clear tonight and windy (Wind: N 25-30 mph decreasing to N 10-15 mph at the shore while N 10-20 mph decreasing to N 5-10 mph late tonight),
• Sunny Saturday, clear in the evening, partly cloudy late Saturday night and Sunday AM, sunny in the afternoon, mostly clear in the evening, mostly cloudy late Sunday night,
• Partly cloudy Monday and in the evening, then mostly cloudy at night.
• lows 50-52 highs 63-60.
• Partly cloudy Tuesday through Friday.
• 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,
• Sunny and warmer Saturday and Sunday, clear  both nights,
• Mostly sunny Monday and at night.
• free air freezing level 11,000 ft. tonight, 10,000 ft. Saturday through Sunday, 11,000 ft. Sunday night, then 12,000 ft. Monday and Monday night.
• lows 42-45 cooling back to 42 Monday night highs 70-75.
• Mostly sunny Tuesday AM, partly cloudy in the afternoon through Thursday AM, mostly sunny in the afternoon, then partly cloudy Thursday night and Friday.
• free air freezing level 12,000 ft. Tuesday through Wednesday, 11,000 ft. Wednesday night and Thursday, 10,000 ft. Thursday night, then 11,000 ft. Friday.
• highs 69-60 warming to 63 Friday lows 43-39.

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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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