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Advisories: NONE AT THIS TIME.
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A trough of low pressure (“U” shape shaded in grey with blue arrows) has moved across Oregon while a low off the Northern California coast (shaded area with blue arrows) moves up and into Oregon bringing the chance of thunderstorms back to the Cascades and foothills and Southern Oregon. Another upper level low will swing in along the coast and a new frontal system will enter the Pacific Northwest early next week returning some clouds and cooler temperatures and maybe even some sprinkles.
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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 clear this evening, mostly cloudy tonight, cloudy Monday AM, sunny in the afternoon, mostly clear in the evening, cloudy late Monday night and Tuesday AM, a mix of clouds and sun Tuesday afternoon, partly cloudy in the evening with a slight (20%) chance of rain, cloudy with a slight (20%) chance of drizzle late Tuesday night and Wednesday AM, a mix of clouds and sun in the afternoon with a slight (20%) chance of rain, then mostly cloudy Wednesday night lows 52-46 highs 84-72. Mostly cloudy Thursday AM, mostly sunny Thursday afternoon through Sunday with mostly clear nights highs 75-83 lows near 48. (seasonal averages high 81 low 50)
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Forecast for the Umpqua Basin including Roseburg: Clear this evening, partly cloudy tonight, mostly cloudy Monday AM, mostly sunny in the afternoon, partly clear in the evening, cloudy with patchy fog late Monday night and Tuesday AM, partly cloudy Tuesday afternoon and Tuesday evening, cloudy with patchy fog Tuesday night and Wednesday AM, mostly sunny Wednesday afternoon, then mostly cloudy Wednesday night lows 55-50 highs 83-73. Mostly cloudy Thursday, mostly clear Thursday night, mostly sunny Friday through Sunday with mostly clear skies at night highs 80-85 lows 52-55. (seasonal averages high 83 low 54)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear this evening, then mostly cloudy inland, cloudy with patchy fog late tonight, mostly cloudy with patchy fog Monday AM, partly cloudy in the afternoon and evening, cloudy with showers and patchy coastal fog Tuesday AM, mostly cloudy in the afternoon, mostly cloudy with patchy fog and a slight (20%) chance of showers late Tuesday night and Wednesday AM, partly cloudy in the afternoon, then mostly cloudy Wednesday night lows 52-49 highs 65-62. Mostly cloudy Thursday through Friday, then partly cloudy Friday night through Sunday highs near 66 lows near 53. (seasonal averages high 66 low 52).
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Forecast for the Cascades of Lane County: Partly cloudy with a slight (20%) chance of showers and isolated thunderstorms this evening, mostly sunny Monday, partly cloudy Monday night through Tuesday evening, mostly cloudy with a slight (20%) chance of rain Tuesday night, mostly cloudy Wednesday AM, a mix of clouds and sun in the afternoon, then mostly cloudy with a slight (20%) chance of showers Wednesday night snow level above 8,000 ft. tonight, free air freezing level 15,000 ft. Monday and Monday night, snow level above 8,000 ft. Tuesday through Wednesday night lows 50-44 highs 72-64. Mostly cloudy Thursday AM, mostly sunny Thursday afternoon, mostly clear at night, mostly sunny Friday through Sunday free air freezing level 14,000 ft. Thursday and Thursday night, 13,000 ft. Friday rising to 14,000 ft. Friday night, 15,000 ft. falling to 14,000 ft. Saturday night and Sunday highs 67-74 lows near 46.
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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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Get your local Eugene-Springfield news on-line at EugeneDailyNews.com.
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