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The jet stream shows a large trough of low pressure ( “U” shaped area over us) that pumped a lot of moisture our way.  It will move away from us, but another upper level low will swing down about mid week. A frontal system has dropped Southward through California with  a break in systems behind it and it looks like we’ll dry out for the rest of the weekend before more storms head toward us next week. 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: Partly cloudy with patchy fog this AM, partly cloudy this afternoon, mostly cloudy with a slight (20%) chance of showers late tonight, mostly cloudy with a slight (20%) chance of showers Monday (Presidents Day), mostly cloudy Monday night with a slight (20%) chance of showers late, cloudy with a good (50%) chance of showers Tuesday (0.10 in. of rain possible) and a slight (20%) chance of rain and snow showers Tuesday night highs near 48-43 lows 33-29 Tuesday night. Cloudy with a good (50%) chance of showers Wednesday (snow level 1,000 ft.) then a (40%) chance of rain and snow showers Wednesday night through Friday night, then partly cloudy with a (40%) chance of rain and snow showers Saturday highs 40-44 lows 29-25. (seasonal  averages high 52 low 35)

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Forecast for the Umpqua Basin including, Roseburg: Patchy AM clouds and fog today, then partly cloudy, mostly cloudy with a slight (20%) chance of rain and snow showers late tonight (snow level 1,500 ft. late), mostly cloudy with a slight (20%) chance of rain and snow showers (snow level 1,500 ft. rising to 2,500 ft. in the afternoon) Monday (Presidents Day), just mostly cloudy Monday night, rain and snow showers likely (60%) Tuesday and Tuesday night highs 44-49 lows 32-35. Mostly cloudy with rain and snow showers likely (60%) Wednesday through Thursday, then mostly cloudy with a (40%) chance of rain and snow showers Thursday night through Saturday highs 38-43 lows near 32. (seasonal averages high 56 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  AM clouds, partly cloudy today, mostly cloudy with a slight (20%) chance of evening showers, a good (50%) chance of coastal showers tonight, a slight (20%) chance of inland evening showers, then rain and snow showers likely (60%) late tonight (snow level 1,500 ft. late), mostly cloudy with a (40%) chance of showers (AM snow level 1,500 ft.) Monday (Presidents Day), a (40%) chance of coastal showers late Monday night, showers likely (60%) Tuesday, then rain and snow showers likely (60%) Tuesday night highs 46-50 lows 37-34.  Mostly cloudy with rain and snow showers likely (60%) Wednesday through Thursday, then mostly cloudy with a good (50%) chance of rain and snow showers Thursday night and (40%) Friday through Saturday highs near 45 lows near 35. (seasonal averages high 55 low 41).

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Forecast for the Cascades of Lane County:  Partly cloudy today, mostly cloudy with a slight (20%) chance of snow showers tonight and Monday (Presidents Day), mostly cloudy with a slight chance of evening snow showers, a (40%) chance of snow showers late Monday night, snow showers likely (60%) Tuesday (2-5 in. of snow possible) and breezy (wind: W 15-25 mph), and snow showers likely (60%) Tuesday night free air freezing level rising to 3,000 ft. this afternoon, then a snow level at the surface tonight, rising to 2,500 ft. Monday, 2,500 ft. Monday night, back down to the surface Tuesday and Tuesday night highs 32-35-28 lows 22-18. Mostly cloudy with snow showers likely (60%) Wednesday  through Thursday, then mostly cloudy with a good (50%) chance of snow showers Thursday night through Saturday snow level at the surface Wednesday through Saturday highs 22-26 lows 18-12.

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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.