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Check out my latest Eugene Daily News Weather Or Not Column To Smoke, Or Not To Smoke, That Is The Question.

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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 “knot?” Here is the correct answer. A Knot (abbrev. Kt) is a unit of speed used in navigation, equal to 1 nautical mile (the length of 1 minute latitude) per hour or about 1.15 statute miles per hour, or 0.5 meters/sec). 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 low pressure trough ( shaded “U” shape with blue arrows) will move through the Pacific Northwest keeping the precipitation around as it slowly moves eastward. Weak high pressure will take over for a short time then low pressure take control again and a frontal system will arrive here late Monday into Tuesday (position shown is for Wednesday) increasing our rain chances..

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 17 in the Good category measuring Particulate Matter at HWY 99, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 14 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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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Partly cloudy with a good (50%) chance of showers this evening, mostly cloudy with a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible), patchy fog late,
• Cloudy with patchy AM fog, a mix of clouds and sun Monday afternoon, a good (50%) chance of rain at night (0.10 in. of rain possible),
• Mostly cloudy with rain Tuesday (0.45 in. of rain possible), showers at night (0.40 in of rain possible),
• Cloudy with AM showers likely (70%), a good (50%) chance of showers Wednesday afternoon, then rain likely (70%) Wednesday night.
• lows 46-53 highs 62-60 warming back to 62 Wednesday.
• Mostly cloudy with rain likely (70%) Thursday, rain at night,
• Rain likely (70%) Friday, cloudy with a good (50%) chance of showers Friday night,
• Mostly cloudy with a (40%) chance of showers Saturday, a good (50%) chance of showers at night,
• Then cloudy with a good (50%) chance of showers Sunday.
• highs 62-57 lows 49-45. (seasonal averages high 60 low 40).

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Forecast for the Umpqua Basin including Roseburg:

• Mostly cloudy with a slight (20%) chance of showers this evening, patchy fog late tonight,
• Just mostly cloudy with areas of fog Monday AM, partly cloudy in the afternoon, cloudy with a (30%) chance of rain at night (0.10 in. of rain possible),
• Mostly cloudy with rain Tuesday (0.20 in. of rain possible Tuesday, 0.25 in. of rain possible Tuesday night) through Wednesday AM, showers likely (70%) in the afternoon, then rain likely (70%) Wednesday night.
• lows 44-55 highs 63-65.
• Mostly cloudy with rain Thursday through Friday, showers and a slight (20%) chance of thunderstorms in the evening, showers late Friday night,
• Mostly cloudy with showers likely (70%) Saturday, then mostly cloudy with a good (50%) chance of showers Saturday night and Sunday.
• highs 68-59 lows 52-44. (seasonal averages high 62 low 43)

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

• Mostly cloudy with a slight (20%) chance of coastal showers tonight while a slight (20%) chance of inland showers this evening, patchy fog late tonight (under 0.10 in. of rain possible),
• Just mostly cloudy Monday with areas of inland AM fog, cloudy with a slight (20%) chance of evening coastal rain and rain likely (70%) late at night while a (30%) chance of inland rain late Monday night (0.10 in. of rain possible),
• Rain Tuesday (0.50 in. of rain possible Tuesday and 0.45 in. of rain possible Tuesday night) through Wednesday AM, showers likely (70%) in the afternoon, rain Wednesday night.
• lows 50-54 highs 60-64.
• Mostly cloudy with rain Thursday through Friday, showers Friday night,
• Showers likely (70%) Saturday and at night,
• Then mostly cloudy with a good (50%) chance of showers Sunday.
• highs 65-60 warming to 62 Sunday lows 52-46. (seasonal averages high 59 low 45)

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Forecast for the Cascades in Lane County:

• Mostly cloudy with  rain and snow showers likely (70%) this evening, a slight (20%) chance of rain and snow showers and colder late tonight (under 0.10 in. of rain possible),
• A mix of clouds and sun and a bit warmer Monday, mostly cloudy with a (30%) chance of rain Monday night (0.10 in. of rain possible),
• Mostly cloudy with a good (50%) chance of AM rain, rain Tuesday afternoon and at night.
• snow level 5,000 ft. tonight, free air freezing level 6,500 ft. Monday, snow level above 8,000 ft. Monday night through Tuesday night, 7,500 ft. Wednesday, then above 8,000 ft. Wednesday night.
• Mostly cloudy with showers likely (70%) Wednesday, a good (50%) chance of rain Wednesday night.
• lows 28-42 highs 47-50.
•  Mostly cloudy with a good (50%) chance of rain Thursday, rain Thursday night,
• Rain likely (70%) Friday, cloudy with a good (50%) chance of showers at night,
• A mix of clouds and sun with a good (50%) chance of rain and snow showers Saturday, mostly cloudy with a good (50%) chance of rain and snow showers at night,
• Then cloudy with a good (50%) chance of rain and snow showers Sunday.
• snow level above 8,000 ft. Thursday through Friday, 6,500 ft. Friday night, 5,000 ft. Saturday, 4,500 ft. Saturday night, then 4,000 ft. Sunday.
• highs 54-40 lows 38-32.

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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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