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Check out my latest Eugene Daily News Weather Or Not Column It’s That Time Again And I Have Too Many Digital Clocks To Change.

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Here is my new weekly weather quiz question. What determines if a tropical storm becomes a hurricane? 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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ADVISORIES:

A NEW Blue-Green Algae warning has been issued for Tenmile Lakes in Coos County. A Blue-Green Algae warning has been lifted for Walterville Pond, Dorena Reservoir and Dexter Reservoir,  but continues for Fern Ridge Reservoir and  at Devils Lake. Water monitoring has confirmed the presence of blue-green algae that can produce toxins, state public health officials said. The algae levels are likely associated with dangerous cyanotoxin concentrations in the water that can be harmful to humans and animals. Swallowing or inhaling water droplets, as well as skin contact with water, should be avoided according to the authorities.

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An upper air high pressure ridge (Shaded “Arch” shape) moved in, temporarily, to bring you a brighter day today. Another frontal system will approach the Oregon coast Saturday. An upper level trough of low pressure (Shaded “U” shape on Jet Stream graphic) will approach Oregon late in the week.

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Your Saturday College Football Forecasts:

The Ducks vs Washington at Husky Stadium Seattle, Washington: Kickoff 1 PM- Mostly cloudy with a (40%) chance of showers, temperature near 50 warming to near 56, then cooling down a bit by the end of the game.

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The Beavers vs Washington State at Martin Stadium Pullman, Washington: Kickoff 7:30 PM- Mostly cloudy with a (30%) chance of showers, temperature near 50 cooling into the 40s as the game progresses. Bundle up.

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

• Partly cloudy with patchy fog late tonight,
• Patchy AM fog, a mix of clouds and sun Thursday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late Thursday night and Friday AM, then partly cloudy Friday afternoon and Friday night,
• A mix of clouds and sun with a slight (20%) chance of showers Saturday AM, a (30%) chance of afternoon showers, then partly cloudy with a slight (20%) chance of showers Saturday night.
• lows 40-45 cooling to 40 Friday night warming to 43 Saturday night highs near 60.
• Just partly cloudy Sunday through Monday (Columbus Day), mostly clear Monday night,
• Then partly cloudy Tuesday through Wednesday.
• highs 60-65 cooling to near 60 Wednesday lows near 43. (seasonal averages high 68 low 42)

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

• Mostly clear this evening, partly cloudy with patchy fog late tonight.
• Patchy AM fog, mostly cloudy with a (30%) chance of coastal rain in the afternoon while a slight (20%) chance of inland rain Thursday afternoon, a slight (20%) chance of showers at night.
• Mostly cloudy with a slight (20%) chance of inland showers Friday AM, partly cloudy in the afternoon and Friday night,
• Mostly cloudy with a slight (20%) chance of showers Saturday, then partly cloudy with a slight (20%) chance of showers Saturday night.
• lows 45-47 cooling to 45 Saturday night highs 62-59.
• Partly cloudy Sunday and Sunday night,
• Sunny Monday (Columbus Day), mostly clear with patchy fog late at night,
• Then just partly cloudy Tuesday through Wednesday.
• highs 62-68 lows 45-48. (seasonal averages high 62 low 47)

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Forecast for the Cascades of Lane County: