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An upper level low is still spinning around offshore (see the blue arrows moving in a counterclockwise direction). The unsettled weather will continue as the low migrates to the north today bringing with it a chance for some precipitation. Another upper level low will replace it by Monday and push a complex frontal system through Oregon.
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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 this morning then a mix of clouds and sun today with a slight (20%) chance of showers and mostly cloudy this evening with a slight (20%) chance of showers and partly cloudy late tonight high 66 low near 43. AM clouds with a mix of clouds and sun Sunday afternoon then a slight (20%) chance of evening showers and a good (50%) chance of showers Sunday night high 70 low 45. Rain likely (60%) and cooler Monday and showers likely (60%) Monday night high 62 low 39. Mostly cloudy with a (40%) chance of showers Tuesday through Friday highs 58-64 lows 37-40.
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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of showers today and this evening then mostly cloudy tonight high 70 low 42. Partly cloudy Sunday then mostly cloudy with a (40%) chance of rain Sunday night, then rain likely (60%) Monday morning then afternoon showers and a chance of thunderstorms then evening showers and rain and snow showers late Monday night and cooler highs 73-60 lows 48-42. Mostly cloudy with showers likely (60%) and cooler Tuesday and a good (50%) chance of showers Tuesday night through Friday highs 56-65 low 37-43.
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a (30%) chance of showers today and a slight (20%) chance of evening showers then becoming partly cloudy tonight high 59 low 45. Partly cloudy Sunday morning then mostly cloudy with a slight (20%) chance of showers toward evening then rain likely (60%) late at night high 62 low 48. Mostly cloudy and cooler with rain likely (60%) Monday and Monday night then showers likely Tuesday highs 56-52 low 40. Mostly cloudy with a (30%) chance of showers Tuesday night through Friday lows near 42-38 highs 54-58.
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Forecast for the Cascades of Lane County: Mostly cloudy with a slight (20%) chance of showers today and this evening then partly cloudy with a slight (20%) chance of showers tonight snow level 7,000′ falling to 6,500′ high 53 low 35. A mix of clouds and sun Sunday and warmer free air freezing level 8,000′ rising to 9,000′ in the afternoon then mostly cloudy with a good (50%) chance of showers at night snow level 8,000′ high near 63 low 38. Rain likely (60%) and cooler Monday and rain and snow showers likely (60%) Monday night snow level 7,000′ falling to 4,000′ high 50 low 28. Mostly cloudy a (40%) chance of rain and snow showers Tuesday through Friday snow level 4,000′ to 4,500′ highs 38-55 lows 25-30.
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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.