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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) is moving up and into Oregon bringing the chance of thunderstorms back to the Cascades and foothills and Southern Oregon. The weather will pretty much be perfect for the rest of the Eugene Celebration through today. A new frontal system will enter the Pacific Northwest early next week returning some clouds and cooler temperatures.
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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: A mix of clouds and sun this AM, mostly sunny this afternoon, mostly clear this evening, partly cloudy tonight and 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, then cloudy late Tuesday night highs 88-76 lows 52-48. Cloudy Wednesday AM, a mix of clouds and sun in the afternoon, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon through Saturday with mostly clear nights highs 70-82 lows near 48. (seasonal averages high 81 low 50)
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy this AM, sunny this afternoon, mostly clear in the evening, partly cloudy with patchy fog late tonight, mostly cloudy with patchy fog Monday AM, mostly sunny in the afternoon, partly cloudy in the evening, cloudy with patchy fog late Monday night, mostly cloudy with patchy fog Tuesday AM and Tuesday night, partly cloudy Tuesday afternoon highs 89-76 lows 55-57. Mostly cloudy with patchy fog Wednesday, mostly cloudy Wednesday night and Thursday, mostly clear Thursday night, mostly sunny Friday and Saturday with mostly clear skies Friday night highs 72-86 lows 52-56. (seasonal averages high 83 low 54)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with patchy fog this AM, partly cloudy this afternoon, partly cloudy in the evening then mostly cloudy inland, cloudy at the beaches, patchy fog late tonight through Monday AM, partly cloudy in the afternoon and evening, mostly cloudy with patchy fog late at night and early AM Monday night through Tuesday night highs 67-62 lows near 53. Patchy AM fog Wednesday, mostly cloudy Wednesday night through Friday, then partly cloudy Friday night and Saturday highs 63-67 lows near 52. (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 this AM, slight (20%) chance of isolated thunderstorms this afternoon and this evening, sunny Monday, mostly clear in the evening, partly cloudy Monday night, partly cloudy Tuesday and Tuesday evening, then mostly cloudy Tuesday night snow level above 8,000 ft. today, free air freezing level 13,000 ft. tonight and Monday, 12,000 ft. Monday night, 11,000 ft. Tuesday and Tuesday night highs 76-67 lows 50-44. Mostly cloudy Wednesday AM, a mix of clouds and sun in the afternoon, mostly cloudy in the evening, partly cloudy late at night and Thursday AM, mostly sunny Thursday afternoon, mostly clear Thursday evening, partly cloudy at night and Friday AM, then mostly sunny Friday afternoon and Saturday with mostly clear skies Friday night snow level above 8,000 ft. Wednesday and Wednesday night, free air freezing level 12,000 ft. Thursday, 12,000 ft. and Thursday night, then 13,000 ft. Friday through Saturday highs 65-74 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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