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Check out my latest Eugene Daily News Weather Or Not Column It Is Really A Small World After All.

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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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Sorry, no winner this week. Here is my weekly weather quiz question for the last time. What is the “exosphere ?” Here is the correct answer. The Exosphere is the upper most layer of the earth’s atmosphere; the only layer where atmospheric gases can escape into outer space. I’ll have a new weekly weather quiz question for you starting Monday. 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) continues to move eastward and behind it is a strong trough of low pressure (Shaded “U” shape with blue arrows) that will keep us in turbulent weather for a while. A  frontal system  pushed through overnight. Cold air behind that front will drop snow levels to 1,000 feet, but no accumulation is expected on the valley floor.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 11 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 22 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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Home Wood Heating Advisory:

Eugene/Springfield: GREEN – burning is allowed.

Oakridge: GREEN – burning is allowed.

(The use of Pellet stoves is always allowed.)

Advisory Courtesy of Lane Regional Air Protection Agency (LRAPA)

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Advisories:

• A FREEZE WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST.
• A HEALTH ADVISORY CONTINUES FOR THE PRESENCE OF BLUE-GREEN ALGAE 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 Forecast:

THE CIVIL WAR – Ducks vs Beavers at Reser Stadium Kickoff 5:00 PM: A mix of clouds and sun with a slight chance of rain and snow showers this afternoon, partly cloudy and colder tonight, temperature near 42 cooling into the 30s as the game progresses (the cooling will really get started at sunset which is 4:36 PM). The snow level is expected to stay above 1,000 ft. but you might see a snowflake or two. This is a game where you will really need to bundle up and be prepared for the cold temperatures and possible precipitation.

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

• A mix of clouds and sun with AM showers likely (60%), a slight (20%) chance of rain and snow showers and colder this afternoon (under 0.10 in. of rain possible, snow level 1,000 ft.), partly cloudy and colder late tonight,
• Mostly sunny Sunday, becoming partly cloudy with a slight (20%) chance of evening freezing rain, cloudy with a (40%) chance of freezing rain late Sunday night (under 0.10 in. of rain possible),
• Then mostly cloudy AM freezing rain, rain Monday afternoon (0.30 in. of rain possible) and at night.
• highs 45-40 warming to 44 Monday lows 28-32 warming to 36 Monday.
• Mostly cloudy with showers likely (70%) Tuesday, a slight (20%) chance of showers  at night,
• Cloudy with a slight (20%) chance of showers Wednesday, then cloudy with a good (50%) chance of rain Wednesday night through Friday.
• highs 43-50 lows 32-35. (seasonal averages high 48 low 36).

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with a good (50%) chance of rain and snow showers this afternoon (0.10 in. of rain possible, snow level 2,000 ft.), partly cloudy with patchy fog and freezing fog and colder late tonight (under 0.10 in. of rain possible),
• Partly cloudy with a slight (20%) chance of showers Sunday afternoon, mostly cloudy with a good (50%) chance of showers at night,
• Mostly cloudy with rain likely (60%) Monday (under 0.10 in. of rain possible) and Monday night.
• highs 44-49 lows 33-45.
• Mostly cloudy with showers likely (70%) Tuesday, a good (50%) chance of showers Tuesday night,
• Cloudy with a (40%) chance of showers Wednesday, a (30%) chance of rain Wednesday night and Thursday, mostly cloudy with a (40%) chance of rain at night,
• Then cloudy with a (40%) chance of rain Friday.
• highs 53-50 lows 42-38. (seasonal averages high 49 low 38)

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

• Mostly cloudy with a good (50%) chance of afternoon showers (under 0.10 in. of rain possible), partly cloudy this evening, becoming clear and colder late tonight with areas of frost late,
• Sunny Sunday AM, partly cloudy with a slight (20%) chance of afternoon showers, then mostly cloudy with a good (50%) chance of showers Sunday night (under 0.10 in. of rain possible),
• Mostly cloudy with rain likely (70%) Monday (0.25 in. of rain possible) and at night.
• highs 48-53 lows 33-48.
• Mostly cloudy with showers likely (70%) Tuesday, a good (50%) chance of showers Tuesday night,
• Cloudy with a (40%) chance of showers Wednesday,cloudy with a good (50%) chance of rain Wednesday night and Thursday, mostly cloudy with a good (50%) chance of rain at night,
• Then cloudy with a (40%) chance of rain Friday.
• highs 55-53 warming back to 55 Friday lows 46-43. (seasonal averages high 52 low 41)

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Forecast for the Cascades in Lane County:

• Mostly cloudy with AM snow showers, a good (50%) chance of snow showers and colder today (1.00 in. of snow possible), partly cloudy and colder late tonight,
• Mostly sunny Sunday AM, becoming partly cloudy in the afternoon, mostly cloudy with a slight (20%) chance of rain, a (40%) chance of freezing rain and snow Sunday night,
• Mostly cloudy with rain and snow Monday, a good (50%) chance of rain and snow in the evening, then rain and snow likely (70%) late Monday night.
• snow level at the surface today, free air freezing level at the surface late tonight and Sunday, snow level 4,000 ft. Sunday night, 5,500 ft. Monday, then 5,000 ft. Monday night.
• highs 32-39 lows 15-29.
• Mostly cloudy with a good (50%) chance of showers Tuesday, a (40%) chance of showers at night,
• Cloudy with (40%) chance of showers Wednesday, a good (50%) chance of rain at night,
• Cloudy with a good (50%) chance of rain and snow Thursday, a good (50%) chance of rain Thursday night,
• Then cloudy with a (40%) chance of rain and snow Friday.
• snow level 6,000 ft. Tuesday, 6,500 ft. Tuesday night, 5,500 ft. Wednesday and Wednesday night, 5,000 ft. Thursday, 5,500 ft. Thursday night, then 5,000 ft. Friday.
• highs near 39 lows near 30.

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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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