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Advisories: NONE AT THIS TIME.
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The upper air flow continues to be onshore and that means don’t look for any serous changes in the weather through most of next week. Weak waves will move onshore only to bring the chance of coastal drizzle mainly Thursday night and Friday. A high pressure ridge (“Arch” shape on the orange Jet Stream line) will give us some warming again.
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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 late tonight and in the AM Monday, mostly sunny in the afternoon, partly cloudy Monday night, AM clouds, mostly sunny Tuesday afternoon, mostly clear again Tuesday night, mostly sunny Wednesday, then clear Wednesday night lows near 50 highs 82-75 warming to near 80 Wednesday. Sunny Thursday and Friday with clear nights, mostly sunny Saturday and Sunday, mostly clear Saturday night highs 82-88 lows near 52. (seasonal averages high 84 low 52)
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Forecast for the Umpqua Basin including Roseburg: Mostly clear tonight, AM clouds, mostly sunny Monday afternoon, mostly clear Monday night, sunny Tuesday and Wednesday with mostly clear nights lows 55-50 warming to near 55 Tuesday night highs near 80. Sunny Thursday, clear Thursday night, patchy AM fog then sunny Friday afternoon, mostly clear in the evening, mostly cloudy with patchy fog late Friday night and Saturday AM, then mostly sunny Saturday afternoon through Sunday with mostly clear nights highs 84-88 cooling to near 84 Sunday lows near 56. (seasonal averages high 86 low 56)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy this evening, mostly cloudy late tonight with patchy coastal fog late night and Monday AM, mostly sunny Monday afternoon, mostly clear in the evening, mostly cloudy late Monday night and Tuesday AM with patchy coastal AM fog, mostly sunny in the afternoon, then partly with patchy fog late at night and early AM Tuesday night through Wednesday night lows 53-50 warming to 52 Wednesday night highs 68-64. Partly cloudy with early AM and late night fog Thursday and Thursday night, mostly cloudy with patchy fog and a slight (20%) chance of rain and drizzle Friday AM, partly cloudy with patchy lingering fog Friday afternoon and evening, mostly cloudy with patchy fog Friday night, then just partly cloudy Saturday through Sundayhighs near 65 lows near 55. (seasonal averages high 65 low 53).
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Forecast for the Cascades of Lane County: Mostly clear tonight, mostly sunny Monday AM, partly cloudy with a slight (20%) chance of thunderstorms Monday afternoon, partly cloudy in the evening, clear Monday night, partly cloudy Tuesday AM, mostly sunny Tuesday afternoon, clear Tuesday night, then sunny Wednesday and clear Wednesday night free air freezing level 14,000 ft. tonight, 13,000 ft. Monday through Tuesday, 14,000 ft. Tuesday night and Wednesday, then 13,000 ft. Wednesday night lows 44-48 highs 72-66 warming to near 70 Wednesday. Sunny Thursday and Friday with clear nights, mostly sunny Saturday and Sunday, mostly clear Saturday night free air freezing level 14,000 ft. Thursday, then 15,000 ft. Thursday night through Sunday highs 74-78 lows 48-44.
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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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