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Check out my latest Eugene Daily News Weather Or Not Column Did It Really Start With The Sundial?

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And don’t forget my latest feature story in the continuing series on service club organizations called “Assistance” Is Their First Name.

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Here is my new weekly weather quiz question. What is “Residual Moisture?”  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 strong upper level low (Shaded “U” shape with blue arrows) sent a frontal system into the Pacific Northwest.  The upper low will also move eastward and behind it our airflow will be coming straight off the Pacific Ocean bringing plenty of moisture our way. Then we can look forward to a series of frontal systems heading our way.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 30 in the Good category measuring Particulate Matter at Amazon Park, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 35 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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Advisories:

• A HEALTH ADVISORY CONTINUES FOR THE PRESENCE OF BLUE-GREEN ALGAE IN WILLOW CREEK RESERVOIR IN MORROW COUNTY, WICKIUP RESERVOIR IN DESCHUTES COUNTY, 40 MILES SW OF BEND, FOR TENMILE LAKES IN COOS COUNTY, AND AT DEVILS LAKE IN LINCOLN COUNTY. THE TOXIC ALGAE BLOOM MEANS THAT PEOPLE SHOULD NOT DRINK OR HAVE DIRECT CONTACT WITH THE AFFECTED WATER AND THAT ALSO GOES FOR ANY PETS.

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Your Saturday College Football Weather Forecasts:

Ducks vs Utah at Rice-Eccles Stadium Salt Lake City, Utah Kickoff 7:00 PM PST: Clear 54 cooling as the game progresses.

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Beavers vs Washington State at Reser Stadium Corvallis Kickoff 1:00 PM: Mostly sunny 56 warming to 62 by the end of the game.

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

• Mostly cloudy with rain tonight (0.50 in. of rain possible),
• Rain Tuesday (0.25 in. of rain possible), cloudy with  a good (50%) chance of showers  Tuesday night, patchy fog late (under 0.10 in. of rain possible),
• Cloudy with patchy AM fog and a slight (20%) chance of rain Wednesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late Wednesday night,
• Mostly cloudy with rain Thursday, then cloudy with a good (50%) chance of showers Thursday night.
• lows near 52-54 highs 58-68 cooling to 63 Thursday.
• A mix of clouds and sun Friday, partly cloudy with patchy fog late Friday night and Saturday AM, just partly cloudy Saturday night,
• A mix of clouds and sun with a (30%) chance of rain Sunday, mostly cloudy with a slight (20 %) chance of rain at night.
• Then a mix of clouds and sun with a slight (20%) chance of rain Monday.
• highs 57-60 lows 38-45. (seasonal averages high 56 low 39).

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Forecast for the Umpqua Basin including Roseburg:

• Cloudy with a good (50%) chance of rain this evening, rain late tonight and Tuesday AM, rain likely (70%) in the afternoon, cloudy with a (30%) chance of showers with patchy fog late Tuesday night,
• Mostly cloudy and warmer Wednesday with a slight (20%) chance of AM showers, just mostly cloudy in the afternoon, a slight (20%) of rain late at night,
• Rain Thursday, mostly cloudy with showers likely (60%) Thursday night.
• lows 52-49 highs 62-70 cooling to 68 Thursday.
• Mostly cloudy Friday, partly cloudy with areas of fog Friday night through Saturday night,
• Areas of fog in the AM, partly cloudy with a slight (20%) chance of rain Sunday afternoon, then just mostly cloudy Sunday night and Monday.
• highs 62-68 lows 45-47. (seasonal averages high 58 low 42)

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

• Cloudy with coastal rain tonight while a good (50%) chance of inland evening rain, rain late tonight (0.25 in. of rain possible),
• Rain Tuesday AM, rain likely (60%) in the afternoon (0.20 in. of rain possible), cloudy with a (40%) chance of showers Tuesday night (under 0.10 in. of rain possible),
• Mostly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday AM, mostly cloudy in the afternoon, a slight (20%) chance of rain late Wednesday night,
• Mostly cloudy with rain Thursday, then showers likely (70%) late at night.
• lows 55-50 highs 62-66 cooling to 64 Thursday.
• Mostly cloudy Friday, partly cloudy Friday night through Saturday night,
• Mostly cloudy with a slight (20%) chance of rain Sunday, then just mostly cloudy Sunday night and Monday.
• highs 62-66 cooling to 63 Monday lows 47-50. (seasonal averages high 57 low 44)

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Forecast for the Cascades in Lane County:

• Mostly cloudy with a good (50%) chance of rain rain this evening, rain late tonight (0.50 in. of rain possible) and Tuesday (0.50 in. of rain possible), cloudy with evening showers likely (70%), a good (50%) chance of showers late Tuesday night,
• Mostly cloudy with a slight (20%) chance of rain Wednesday AM with a slight (20%) chance of AM rain, mostly cloudy and warmer Wednesday with a slight (20%) chance of rain in the afternoon, then partly cloudy with a slight (20%) chance of rain Wednesday night,
• Mostly cloudy with AM rain likely (60%), a good (50%) chance of rain Thursday afternoon, mostly cloudy with a good (50%) chance of showers Thursday night.
• snow level 7,500 ft. tonight, above 8,000 ft. Tuesday through Wednesday, then free air freezing level 13,000 ft. Wednesday night.
• lows 38-42 cooling to 35 Thursday night highs 47-58 cooling to 53 Thursday.
• A mix of clouds and sun with a slight (20%) chance of showers Friday, just partly cloudy Friday night through Saturday night,
• A mix of clouds and sun and with a (30%) chance of rain Sunday, mostly cloudy with a slight (20%) chance of rain at night,
• Then just partly cloudy Monday.
• snow level 8,000 ft. Friday, free air freezing level 10,000 ft. Friday night, 12,000 ft. Saturday and Saturday night, snow level above 8,000 ft. Sunday and Sunday night, then free air freezing level 11,000 ft. Monday.
• highs 52-59 cooling to 54 to 57 Monday lows 37-35.

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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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