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Advisories: NONE AT THIS TIME.
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A high pressure ridge (“Arch” shape on the yellow line) is taking over bringing back the sunshine through the rest of the weekend into early next week. A weak frontal system moves quickly through the Pacific Northwest Tuesday and falls apart, but there could still be just barely a slight chance of showers Tuesday through Wednesday.
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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 and freezing this AM, mostly sunny this afternoon, mostly clear this evening, partly cloudy with patchy fog and freezing fog late tonight and Monday AM, mostly sunny in the afternoon, partly cloudy with patchy fog and freezing fog late Monday night and Tuesday AM, becoming mostly cloudy with a slight (20%) chance of rain Tuesday afternoon and Tuesday night highs 52-48 lows 27-34. Mostly cloudy with a slight (20%) chance of showers Wednesday, partly cloudy Wednesday night, patchy fog and a mix of clouds and sun Thursday, partly cloudy Thursday night and Friday, mostly cloudy with a slight (20%) chance of rain Friday night, then a (30%) chance of rain Saturday highs 55-50 lows 34-32 warming to 35 Friday night. (seasonal averages high 50 low 35)
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with areas of patchy fog this AM, partly cloudy this afternoon and evening, mostly clear with patchy fog late tonight and Monday AM, partly cloudy in the afternoon, mostly cloudy Monday night, mostly cloudy with a (30%) chance of rain Tuesday, a slight (20%) chance of evening rain, then just mostly cloudy Tuesday night highs 58-54 lows 33-37. Partly cloudy with a slight (20%) chance of rain Wednesday, partly cloudy Wednesday night, partly cloudy with patchy fog Thursday, partly cloudy Thursday night, partly cloudy with a slight (20%) chance of rain Friday, a (40%) chance of showers Friday night, then mostly cloudy with a (40%) chance of showers Saturday highs 55-60 cooling to 54 Saturday lows 36-40. (seasonal averages high 52 low 37)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy today, mostly clear this evening, partly cloudy tonight and Monday, mostly cloudy with a slight (20%) chance of coastal rain Monday night and a slight (20%) chance of inland rain very late Monday night, mostly cloudy with a (40%) chance of rain Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night highs 59-62 cooling to 54 Tuesday lows near 40. Partly cloudy with a slight (20%) chance of rain Wednesday, partly cloudy Wednesday night and Thursday, partly cloudy with a slight (20%) chance of rain Thursday night and Friday, then mostly cloudy with a (30%) chance of showers Friday night and Saturday highs 56-52 lows 39-43. (seasonal averages high 52 low 40).
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Forecast for the Cascades of Lane County: Mostly sunny today, mostly clear tonight, mostly sunny Monday, partly cloudy Monday night, partly cloudy Tuesday AM, becoming cloudy with a slight (20%) chance of rain Tuesday afternoon, then mostly cloudy with a (30%) chance of rain or snow Tuesday night free air freezing level 7,000 ft. rising to 7,500 ft. this afternoon, falling to 7,000 ft. late tonight, 7,000 ft. rising to 8,000 ft. Monday afternoon and Monday night, then snow level 5,500 ft. Tuesday and Tuesday night highs 42-40 lows 25-27. Partly cloudy with a slight (20%) chance of showers Wednesday, partly cloudy Wednesday night through Friday, mostly cloudy with a slight (20%) chance of rain or snow Friday night, then mostly cloudy with a (30%) chance of rain Saturday snow level 5,500 ft. Wednesday, free air freezing level 7,500 ft. Wednesday night and Thursday, 9,000 ft. Thursday night, 7,500 ft. Friday, snow level 5,500 ft. Friday night, then 6,500 ft. Saturday highs 39-43 cooling to 39 Saturday lows near 28.
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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.
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