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Advisories: NONE AT THIS TIME.
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A high pressure ridge (“Arch” shape on yellow line) pulled away from us and a trough of low pressure (“U” shape on the yellow line) took over returning the wet weather pattern. Another high pressure ridge has cleared us out today. A warm front will move in returning the rain tonight. There will be even more frontal systems (position shown is Tuesday) that will keep the showers around into next week.
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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: Mostly cloudy with a slight (20%) chance of showers this AM, a mix of clouds and sun this afternoon (under 0.10 in. of rain possible), clouds increasing to mostly cloudy with a good (50%) chance of rain this evening, rain late tonight (0.10 in. of rain possible), rain (0.30 in. of rain possible) Monday (Presidents’ Day), cloudy with a good (50%) chance of rain Monday night (0.10 in of rain possible) and Tuesday, then mostly cloudy with a (40%) chance of showers Tuesday night highs 46-52 lows 38-44. Mostly cloudy with a (40%) chance of rain Wednesday, a (40%) chance of showers Wednesday night and Thursday, a slight (20%) chance of showers Thursday night, mostly cloudy with a (40%) chance of rain Friday, cloudy with a (40%) chance of rain Friday night, then mostly cloudy with a good (50%) chance of rain Saturday highs 54-48 lows 42-37. (seasonal averages high 52 low 35)
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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with patchy fog this AM, partly cloudy this afternoon, becoming mostly cloudy with rain likely (60%) this evening, rain late tonight (snow level 3,500 ft. falling to 3,000 ft. late, under 0.10 in. of rain possible), mostly cloudy with rain (AM snow level 3,500 ft., 0.15 in. of rain possible) Monday (Presidents’ Day), cloudy with rain likely (60%) in the evening, then a (40%) chance of showers (0.10 in. of rain possible) late Monday night and Tuesday (0.10 in. of rain possible), then mostly cloudy with a (40%) chance of isolated showers Tuesday night highs 50-58 lows 42-46. Mostly cloudy with a (40%) chance of rain Wednesday and Wednesday night, a slight (20%) chance of showers Thursday, just mostly cloudy and colder Thursday night, a slight (20%) chance of rain Friday, then mostly cloudy with a good (50%) chance of rain Friday night and Saturday highs 59-50 lows 40-30 warming to near 40 Friday night. (seasonal averages high 54 low 37)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy today, increasing clouds to mostly cloudy with rain likely (60%) this evening, rain (0.15 in. of rain possible) late tonight, rain (0.30 in. of rain possible) Monday (Presidents’ Day), cloudy with rain likely (60%) in the evening, a good (50%) chance of showers (0.25 in. of rain possible) late Monday night and Tuesday (0.15 in. of rain possible), then mostly cloudy with isolated showers Tuesday night highs 49-55 lows 45-49. Mostly cloudy with a (30%) chance of rain Wednesday and Wednesday night, a slight (20%) chance of showers Thursday, mostly cloudy and colder Thursday night, a slight (20%) chance of rain Friday, then mostly cloudy rain likely (60%) Friday and Friday night highs 56-50 lows near 44. (seasonal averages high 53 low 40).
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Forecast for the Cascades of Lane County: Mostly cloudy with a slight (20%) chance of snow showers this AM, partly cloudy with a slight (20%) chance of snow showers in the afternoon and evening, rain and snow late tonight (2 in. of snow possible, 0.10 in. of rain possible), rain and snow (1-4 in. of snow possible, 0.25 in. of rain possible) Monday (Presidents’ Day), a good (50%) chance of rain and snow Monday night, rain likely (60%) Tuesday, then mostly cloudy with a (30%) chance of showers Tuesday night snow level at the surface today, 2,500 ft. tonight, 3,500 ft. Monday, 5,000 ft. Monday night, 7,000 ft. Tuesday, then 6,500 ft. Tuesday night highs 32-40 lows 25-32. Mostly cloudy with a good (50%) chance of rain Wednesday, a (40%) chance of showers Wednesday night, mostly cloudy with a (40%) chance of showers Thursday, a slight (20%) chance of showers Thursday night, a slight (20%) of rain Friday, a good (50%) chance of showers Friday night, then mostly cloudy with a good (50%) chance of rain and snow Saturday snow level 6,000 ft. Wednesday and Wednesday night, 5,500 ft. Thursday and Thursday night, 6,500 ft. Friday, 5,000 ft. Friday night, 4,000 ft. Saturday highs 40-37 lows 32-25 warming to near 30 Friday night.
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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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