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The jet stream is setting up to bring the air to us from the Northwest (Gulf of Alaska) as you can see with the shaded area and the blue arrows. That will change us from the warmer than normal Spring-like weather back to a more late winter pattern with falling snow levels. The next cold front is already offshore. Behind it is much colder aloft that will also sweep in along the surface. Another frontal system will approach the coast Monday night and Tuesday. This will be good for skiers and won’t last too long to hamper gardeners for too long.

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Advisories: NONE AT THIS TIME.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a (30%) chance of rain by this afternoon high 54. Periods of rain tonight low 38. Mostly cloudy with showers likely (60%) Monday, a slight (20%) chance of a thunderstorm, small hail is also possible, and a (30%) chance of showers Monday night high 50 low 33. Mostly cloudy with a (40%) chance of rain Tuesday high near 49. Mostly cloudy with rain likely (60%) Tuesday night and showers likely (60%) Wednesday and a (40%) chance of showers Wednesday night lows near 38 high 50. Mostly cloudy with a good (50%) chance of showers Wednesday night and rain likely (60%) Thursday low 40 high 56. Mostly cloudy with a good (50%) chance of rain Thursday night and Friday low 42 high 56. Mostly cloudy with a good (50%) chance of rain Friday night and a (40%) chance of showers Saturday low 40 high 54.

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Forecast for the Umpqua Basin including Roseburg:  Mostly cloudy with a (30%) chance of  rain this afternoon high 58. Rain likely this evening changing to rain late tonight snow level 3,500′ overnight low 37. Mostly cloudy with rain and snow showers likely (60%) Monday morning then likely (60%) in the afternoon with a chance of isolated thunderstorms snow level 1,500′ rising to 2,000′ in the afternoon high 50. A (30%) chance of rain and snow showers Monday evening snow level 1,500′ low 33. Rain and snow likely (60%) Tuesday and Tuesday night  high near 51 low 35. Mostly cloudy with a good (50%) chance of showers Wednesday through Thursday highs 56-58 low 37. A good (50%) chance of rain Thursday night and then rain likely (60%) Friday low 40 highs 56. Mostly cloudy with a good (50%) chance of showers Saturday high 53.

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy with a (40%) chance of rain today along the coast and a (30%) chance inland high 54. Rain likely (60%) this evening then rain late at night low 37. Mostly cloudy with showers likely (60%) Monday morning at the coast with morning rain and snow showers inland then showers likely with a chance of Isolated afternoon thunderstorms and possible small hail (snow level 1,500′ rising to 2,000′ in the afternoon) high 50. A slight (20%) chance of evening showers at the coast and  and a slight (20%) chance of rain and snow showers inland low 35. Mostly cloudy with a good (50%) chance of rain and snow Tuesday morning then afternoon rain likely (60%) high 50. Mostly cloudy with rain likely and breezy Tuesday night low 40. Mostly cloudy Wednesday through Thursday with a (50%-60%) chance of showers highs 53-56 low 42. Mostly cloudy with a good (40%) chance of evening rain then rain likely (60%) and breezy overnight low 44. A good (50%) chance of AM rain Friday then likely (60%) in the afternoon and Friday night high 55 low 40. Mostly cloudy Saturday with a good (50%) chance of showers high 50.

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Forecast for the Cascades of Lane County: A mix of clouds and sun this morning then mostly cloudy with a slight (20%) chance of afternoon and rain snow level falling to 5,500′ high 42. Rain or snow tonight snow level 4,500′ falling to 2,500′ overnight low 27. Mostly cloudy with  snow showers likely (60%) Monday and Monday night, snow level at the surface highs near 30  low near 23. Mostly cloudy with a good (50%) chance of rain or snow Tuesday snow level 2,500′ and rain or snow likely (60%) Tuesday night snow level 3,000′ high 33  low 25. Showers likely (60%) Wednesday snow level 4,000′, a (50%) chance of snow showers Wednesday night snow level 3,500′, and  a (40%) chance of rain south of Santiam Pass (likely (60%) North of the pass) snow level 4,500′ highs 36 low 29. Rain South of Santiam Pass Thursday and likely (60%) North of the pass snow level 4,500′ high 40. Mostly cloudy with a good (50%) chance of rain Thursday night South of Santiam Pass ( likely (60%) North of the pass) snow level 5,000′ low 33.  Mostly cloudy Friday with rain and snow likely (60%) snow level falling to 3,500′ high 39. Mostly cloudy Friday night with snow showers likely (60%) and a good (50%) chance Saturday snow level 3,500′ low 29 high 38.

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