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Check out my latest Eugene Daily News Weather Or Not Column We’re Having A Heatwave. What To Do?

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And don’t forget my latest feature story in the continuing series on service club organizations called Who Are The Soroptimists And What Are They Doing?

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Here is my new weekly weather quiz question. What is a “Derecho?” (Hint: One has been in the news lately.)  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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A high pressure ridge (“Arch” shape in blue arrows offshore) is slowly weakening and an upper level low will slide over it toward the weekend. A frontal system will push in over the weekend bringing with it the slight chance of showers.

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Advisories:

• A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TODAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE NORTHERN OREGON CASCADES, THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE CENTRAL MOUNTAINS OF OREGON, AND THE LOWER COLUMBIA BASIN.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 35 in the Good category measuring Ozone at Delight Valley School, Saginaw. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter at Willamette Activity Center, Oakridge. Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Eugene-Springfield Pollen Count:

Grass……….High (34)

Trees……….Low (12)

Last Counted: 7/11/14

Data Courtesy of Oregon Allergy Associates.

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

• Partly cloudy tonight through Saturday evening, mostly cloudy at night,
• Cloudy Sunday AM, partly cloudy with a slight (20%) chance of showers Sunday afternoon, just partly cloudy late at night,
• AM clouds, partly cloudy Monday and at night,
• lows 56-58 cooling to 55 Sunday night highs 88-79.
• A mix of clouds and sun Tuesday with a slight (20%) chance of AM showers, a (30%) chance of showers in the afternoon, partly cloudy with a (30%) chance of showers in the evening, mostly cloudy with a slight (20%) chance of showers late Tuesday night,
• Mostly cloudy with a slight (20%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of showers in the evening, partly cloudy at night,
• Partly cloudy Thursday and Thursday night,
• Mostly sunny Friday AM, then partly cloudy at night.
• highs 82-80 warming to 85 Thursday lows 56-52. (seasonal averages high 83 low 52)

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Forecast for the Umpqua Basin including Roseburg:

• Clear tonight,
• Sunny Saturday, mostly clear with patchy fog late Saturday night,
• Cloudy Sunday AM, sunny in the afternoon, mostly cloudy Sunday night,
• Mostly cloudy Monday AM, partly cloudy in the afternoon and evening, then mostly cloudy with a slight (20%) chance showers late Monday night.
• lows 60-62 cooling to 57Monday night highs 96-80.
•  Mostly cloudy with a slight (20%) chance of showers Tuesday AM, partly cloudy in the afternoon, partly cloudy with a slight (20%) chance of showers Tuesday night and Wednesday, mostly clear at night,
• Mostly sunny Thursday, mostly clear at night,
• Then sunny Friday.
• highs 83-90 lows near 56. (seasonal averages high 85 low 57)

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

• Clear this evening, partly cloudy with patchy coastal fog late tonight,
• Mostly cloudy with patchy coastal fog Saturday AM, otherwise sunny in the afternoon, mostly cloudy with patchy coastal fog and a slight (20%) chance of drizzle late Saturday night while clear in the evening inland and cloudy with patchy fog late at night,
• Mostly cloudy with patchy AM fog and a slight (20%) chance of drizzle Sunday AM, mostly cloudy in the afternoon and Sunday night,
• Mostly cloudy Monday AM, partly cloudy in the afternoon, mostly cloudy with a slight (20%) chance of showers Monday night.
• lows 57-60 cooling to 55 Monday night highs 66-62 warming to 65 Monday.
• Mostly cloudy with a slight (20%) chance of showers Tuesday, mostly cloudy at night,
• Partly cloudy Wednesday and Wednesday night,
• Mostly sunny Thursday, mostly clear at night,
• Then sunny Friday.
• highs 63-65 lows near 55. (seasonal averages high 65 low 53).

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Forecast for the Cascades in Lane County:

• Clear tonight,
• Mostly sunny Saturday AM, partly cloudy in the afternoon and Saturday night,
• A mix of clouds and sun with a slight (20%) chance of showers or drizzle Sunday afternoon, partly cloudy with a slight (20%) chance of showers late Sunday night,
• A mix of clouds and sun with a slight (20%) chance of showers Monday, partly cloudy with a slight (20%) chance of showers Monday night.
• free air freezing level 16,000 ft. tonight, 15,000 ft. Saturday and Saturday night, then snow level above 8,000 ft. Sunday through Monday night.
• lows 47-45 warming to highs 77-69.
• A mix of clouds and sun with a slight (20%) chance of showers Tuesday, partly cloudy with a slight (20%) chance of showers in the evening, partly cloudy with a (30%) chance of showers late Tuesday night,
• A mix of clouds and sun with a slight (20%) chance of showers Wednesday AM, a slight (20%) chance of showers in the afternoon, partly cloudy with a slight (20%) chance of evening showers, and partly cloudy at night,
• Then mostly sunny Thursday and Friday, mostly clear Thursday night.
• snow level above 8,000 ft. Tuesday through Wednesday night, then 14,000 ft. Wednesday night, and Thursday.
• highs 70-67 warming to 75 Friday lows 50-46.

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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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