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It’s Monday and that means a new chance to win. Here is my weekly weather quiz question. What is a fire tornado? Please post your answer as a comment by clicking on “no 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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The jet stream shows a second trough of low pressure ( “U” shaped area over us) preparing to swing down about mid week. A frontal system is on its way to the Pacific Northwest bringing precipitation with it. Another burst of cold air will follow a frontal system late in the week.

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Advisories:  NONE AT THIS TIME.

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Here are your detailed forecasts. **

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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 today (Presidents’ Day), mostly cloudy tonight with a slight (20%) chance of showers late, cloudy with a good (50%) chance of showers Tuesday (0.10 in. of rain possible), and showers likely (60%) Tuesday night (snow level 1,200 ft. late) highs 48-45 lows 33-35. Mostly cloudy with a rain and snow showers likely (60%) Wednesday (snow level 1,000 ft.1 in. of snow possible),  snow showers Wednesday night, then mostly cloudy with a good (50%) chance of rain and snow showers Thursday, and (40%) Thursday night through Saturday night, and partly cloudy with a (40%) chance of rain and snow showers Sunday highs 40-44 lows 29-25. (seasonal  averages high 52 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy dense AM fog, then partly cloudy this afternoon (Presidents’ Day), partly cloudy this evening, mostly cloudy late tonight, a (40%) chance of AM rain and snow showers, rain and snow showers likely (60%) Tuesday afternoon (snow level 2,000 ft. 1 in. of snow possible at that level) and Tuesday night (snow level 1,500 ft. late) highs 50-47 lows 34-30. Mostly cloudy with rain and snow showers Wednesday, rain and snow Wednesday night and Thursday, then mostly cloudy with a good (50%) chance of rain and snow in the evening, a (40%) chance of snow late Thursday night, a (40%) chance of AM snow showers, a good (50%) chance of rain and snow showers Friday afternoon, then a (30%-40%) chance of rain and snow showers Friday night through Sunday highs 43-37 rising to 46 Sunday lows near 32-27. (seasonal averages high 56 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy today (Presidents’ Day), partly cloudy this evening then mostly cloudy, a slight (20%) chance of coastal showers tonight, showers likely (60%) inland late at night with patchy fog, coastal showers likely (60%) Tuesday, a (40%) chance of AM showers inland then showers likely (60%) in the afternoon (snow level 2,000 ft.), showers likely (60%) Tuesday night (snow level 2,000 ft. falling to 1,500 ft. late at night) highs 48-44 lows near 37. Mostly cloudy with coastal showers with rain and snow showers inland (snow level 1,000 ft. rising to 1,500 ft.) Wednesday, rain and snow Wednesday night and Thursday, rain and snow likely (60%) Thursday night, then mostly cloudy with a good (50%) chance of rain and snow showers Friday, then (40%) Friday night through Sunday highs 40-45 lows 34-30 and back to 35 Saturday night (seasonal averages high 55 low 41).

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Forecast for the Cascades of Lane County:  Partly cloudy with a slight (20%) chance of snow showers today (Presidents’ Day), mostly cloudy with a slight (20%) chance of evening snow showers, a (30%) chance of snow showers late tonight, snow showers likely (60%) Tuesday (2-5 in. of snow possible), and snow showers likely (60%) Tuesday night (2-5 in. of snow possible) snow level at the surface today through Tuesday night highs 35-30 lows 22-18. Mostly cloudy with snow showers likely (60%) Wednesday (3-7 in. of snow possible), and breezy, snow showers likely (60%) Wednesday night and Thursday, then mostly cloudy with a (40%) chance of snow showers Thursday night through Sunday snow level at the surface Wednesday through Sunday highs 24-28 lows 18-13.

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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.