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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. The low pressure along with a surface frontal system are giving us at least a chance of showers. Additional storms will be aiming for us like this frontal system that will roll in Thursday.

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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: Cloudy with a (40%) chance of showers tonight (0.10 in. of rain possible), a mix of clouds and sun with a (30%) chance of showers Tuesday (0.10 in. of rain possible), mostly cloudy with a (40%) chance of showers Tuesday evening, then partly cloudy late Tuesday night, a slight (20%) chance of showers Wednesday AM, a good (50%) chance of showers in the afternoon (0.10 in. of rain possible), and Wednesday night (0.10 in. of rain possible) lows 37-42 highs near 54. Mostly cloudy with a good (50%) chance of showers Thursday, and showers likely (60%) Thursday night, showers likely (60%) Friday, rain likely (60%) Friday night, showers likely (60%) Saturday and Saturday night, cloudy with rain likely (60%) Sunday and Sunday night, then mostly cloudy with a (40%) chance of showers Monday highs 50-54 lows 38-42. (seasonal  averages high 57 low 37)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy with scattered showers tonight (snow level 2,500 ft.), a slight (20%) chance of showers Tuesday (snow level 2,000 ft. rising to 3,000 ft.) a slight (20%) chance of rain Tuesday night (snow level 2,500 ft. late at night), a good (50%) chance of rain Wednesday (snow level 3,000 ft. rising to 3,500 ft. in the afternoon), rain likely (60%) Wednesday night (snow level 3,000 ft.), rain likely (60%) Thursday, showers likely (60%) Thursday evening, showers late Thursday night lows near 40 highs 52-56. Mostly cloudy with showers likely (60%) Friday, showers Friday night and Saturday, showers likely (60%) Saturday night and Sunday, then mostly cloudy with a a good (50%) chance of showers Sunday night and Monday highs 53-58 lows near 40. (seasonal averages high 60 low 39)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with scattered showers this evening, isolated showers late tonight, a slight (20%) chance of showers Tuesday (snow level 2,000 ft. in the AM), then a (40%) chance of rain Tuesday night, cloudy with a good (50%) chance of coastal rain Wednesday AM with afternoon rain likely (60%), a good (50%) chance of rain inland, rain likely (60%) Wednesday evening, rain late Wednesday night and Thursday, then showers likely (60%) Thursday night lows 38-43 highs near 54. Mostly cloudy with showers likely (60%) Friday, showers Friday night and Saturday, showers likely (60%) and breezy Saturday night, mostly cloudy with showers  likely (60%) Sunday through Monday highs 52-56 lows hovering between 40-43. (seasonal averages high 56 low 42).

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Forecast for the Cascades of Lane County:  Cloudy with a good (50%) chance of rain and snow showers this evening, a good (50%) chance of snow showers late tonight and Tuesday AM, a (40%) chance of rain and snow showers Tuesday afternoon, mostly cloudy with a slight (20%) chance of evening rain and snow showers, a (40%) chance of snow showers late Tuesday night, then rain and snow showers likely (60%) Wednesday and Wednesday night,  rain and snow showers Thursday, then a good (50%) chance of rain and snow showers Thursday night snow level 3,000 ft. tonight, 2,500 ft. rising to 3,000 ft. Tuesday, then 3,500 ft. lowering to 2,500 ft. late Tuesday night, 3,000 ft. rising to 4,000 ft. Wednesday afternoon, then 4,000 ft. Wednesday night through Thursday night, lows 25-30 highs 36-39. Mostly cloudy with rain and snow showers likely (60%) Friday, snow and rain likely (60%) Friday night, snow showers likely (60%) Saturday and Saturday night, a good (50%) chance of rain and snow Sunday, snow likely (60%) Sunday night, then cloudy with a good (50%) chance of rain and snow showers Monday snow level 3,000 ft. Friday, 3,500 ft. Friday night, 2,500 ft. Saturday, 3,000 ft. Saturday night through Sunday night, and 3,500 ft. Monday highs 35-38 lows 34-39.

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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.