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Advisories: NONE AT THIS TIME.
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A high pressure ridge (“Arch” shape) has settled in across the Pacific Northwest giving us a pretty stable mild weather pattern. A weak front will move through the Northern reaches of Oregon, but the rain should stay to our North today and Thursday. The Autumnal Equinox occurs at 2:05 AM PDT Friday, but it will still feel like late Summer. We could see some precipitation pushing through the Pacific Northwest by the end of the weekend into early next week as a frontal system moves in Sunday.
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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 sunny today, mostly clear tonight, partly cloudy Thursday through Friday night highs near 85 lows 49-55 cooling to 52 Friday night. Partly cloudy Saturday AM, mostly sunny in the afternoon, partly cloudy Saturday night, a mix of clouds and sun Sunday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late Sunday night, a mix of clouds and sun Monday AM, mostly cloudy with a slight chance of rain in the afternoon and Monday night, then a mix of clouds and sun with a slight (20%) chance of rain Tuesday AM and a slight (20%) chance of showers Tuesday afternoon highs 82-73 warming to 78 Tuesday lows 55-50. (seasonal averages high 76 low 46)
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Forecast for the Umpqua Basin including Roseburg: Patchy AM fog, sunny and warmer this afternoon, mostly clear this evening, then partly cloudy tonight through Friday night highs 89-86 lows 53-57. Partly cloudy Saturday, mostly clear in the evening, partly cloudy Saturday night and Sunday AM, then mostly cloudy with a slight (20%) chance of showers Sunday afternoon through Tuesday afternoon highs 86-77 lows 52-56. (seasonal averages high 77 low 50)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy with patchy coastal fog this AM, partly cloudy this afternoon and evening, mostly cloudy with patchy coastal fog late tonight and Thursday AM, partly cloudy in the afternoon, mostly cloudy with patchy fog Thursday night and Friday AM, then mostly cloudy Friday afternoon and night highs near 67 lows 40-54. AM clouds then mostly sunny Saturday afternoon, partly cloudy in the evening, mostly cloudy Saturday night, mostly cloudy with a slight (20%) chance of showers Sunday through Tuesday highs near 65 lows near 53. (seasonal averages high 65 low 49).
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Forecast for the Cascades of Lane County: Mostly sunny today through Friday with mostly clear nights, then partly cloudy Friday night free air freezing level 14,000 ft. today and tonight, 15,000 ft. Thursday through Friday night highs 72-79 lows 47-52. Mostly sunny Saturday AM, partly cloudy Saturday afternoon and night, partly cloudy with a slight (20%) chance of rain Sunday afternoon through Monday AM, then partly cloudy with a slight (20%) chance of rain Monday afternoon through Tuesday AM, then a slight (20%) chance of showers Tuesday afternoonfree air freezing level 14,000 ft. Saturday, 13,000 ft. Saturday night, then a snow level above 8,000 ft. Sunday through Tuesday highs 73-59 warming to near 70 Tuesday 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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