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It’s time for  my new weekly weather quiz question. Here it is. In meteorology what are elves? 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 trough of low pressure ( “U” shaped area) swinging through the Pacific Northwest. This frontal system pushed in Wednesday spreading showers and some thunderstorms ahead of it. Saturday we’ll see another frontal system move through, but this time it will be a little farther to the North.

Advisories: A WIND ADVISORY IS IN EFFECT FROM 9 AM UNTIL 4 PM TODAY FOR CENTRAL AND EASTERN LAKE COUNTY.

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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: Mostly cloudy with a good (50%) chance of showers and a slight chance of thunderstorms today (0.10 in. of rain possible, more in thunderstorms with small hail possible), and cloudy with a good (50%) chance of showers tonight, AM showers likely (60%), showers Friday, rain Friday night, then showers likely (60%) Saturday and Saturday night highs 57-52 lows 38-42. Mostly cloudy with showers likely (60%) Sunday, cloudy with a good (50%) chance of showers Sunday night, mostly cloudy with a good (50%) chance of showers Monday through Tuesday night, then a (40%) chance of rain Monday highs 52-56 lows near 40. (seasonal  averages high 57 low 37)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with rain and snow likely (60%) this AM, rain (snow level 2,500 ft.) likely (60%) with isolated afternoon and evening thunderstorms, rain and snow showers late tonight (snow level 3,000 ft. falling to 2,500 ft. late), AM rain and snow showers likely (60%) Friday, showers likely (60%) Friday afternoon (snow level 2,000 ft. rising to 3,000 ft.), rain likely (60%) Friday night ( snow level 3,500 ft.), rain Saturday, then rain likely (60%) Saturday night highs 52-55 lows 35-42. Mostly cloudy with  a good (50%) chance of showers Sunday through Tuesday night, then mostly cloudy with a (40%) chance of rain Wednesday highs 55-57 lows near 40. (seasonal averages high 61 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with AM rain today, showers likely (60%) with isolated thunderstorms this afternoon, then showers likely (60%) with isolated evening thunderstorms, showers likely (60%) late tonight, showers likely (60%) Friday (snow level 2,000 ft. in the AM), rain Friday night and breezy late (wind: S 15-25 mph), then rain Saturday, and rain likely (60%) Saturday night highs 50-54 lows 40-43. Mostly cloudy with a good (50%) chance of showers Sunday through Monday, and a (40%) chance of showers Monday night through Tuesday night, mostly cloudy with a (40%) chance of rain Wednesday highs near 55 lows 42-45. (seasonal averages high 56 low 42).

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Forecast for the Cascades of Lane County:  Mostly cloudy with rain and snow showers likely (60%) today (3-6 in. of snow possible) with a slight (20%) chance of afternoon and evening thunderstorms, rain and snow showers likely (60%) tonight (4-6 in. of snow possible), and  snow showers likely (60%) Friday (2 in. of snow possible), rain and snow likely (60%) Friday night (2 in. of show possible),  snow level 3,000 ft. today, 3,500 ft. tonight, then  2,500 ft. Friday, and 3,000 ft. Friday night highs 40-37 lows 25-20. Mostly cloudy with  rain and snow showers likely (60%) Saturday, snow showers likely (60%) Saturday night, a good (50%) chance of rain and snow showers Sunday, rain and snow showers likely (60%) Sunday night through Tuesday, a good (50%) chance of rain and snow showers Tuesday night, then a (40%) chance of snow and rain Wednesday snow level 3,000 ft. Saturday through Sunday night, 3,500 ft. Monday, then 3,000 ft. Monday night,  4,000 ft. Tuesday and Tuesday night, then 3,000 ft. Wednesday highs near 40 lows 24-29.

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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.