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Advisories: NONE AT THIS TIME.
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An upper air trough of low pressure (“U” shape on the brown line) is bringing us enough marine air to cool our high temperatures down to more comfortable levels. Weak waves will bring increased chances of fog and drizzle along the coast and some increase in late night and early morning clouds inland.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly clear this evening, cloudy tonight and Wednesday AM, partly cloudy in the afternoon, clear in the evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy Thursday night and Friday AM, sunny in the afternoon, clear in the evening, then partly cloudy Friday night lows 52-48 warming to 54 Friday night highs 77-86. A mix of clouds and sun Saturday AM, mostly sunny Saturday afternoon, mostly clear in the evening, mostly cloudy Saturday night, a mix of clouds and sun Sunday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy Sunday night, a mix of clouds and sun Monday AM, mostly sunny Monday afternoon, partly cloudy at night and Tuesday AM, then mostly sunny Tuesday afternoon highs 88-82 lows near 50. (seasonal averages high 84 low 52)
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Forecast for the Umpqua Basin including Roseburg: Mostly clear this evening, mostly cloudy late tonight, cloudy with patchy fog Wednesday AM, partly cloudy in the afternoon and evening, mostly cloudy with patchy fog late Wednesday night and Thursday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy late Thursday night and Friday AM, sunny in the afternoon, then mostly clear Friday night lows near 57 highs 83-90. Mostly sunny Saturday through Tuesday with mostly clear nights highs 92-86 lows near 57. (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 and mostly cloudy late tonight inland, mostly cloudy with patchy coastal fog and a slight (20%) chance of occasional drizzle late tonight and Wednesday AM, mostly cloudy Wednesday afternoon, mostly cloudy with patchy fog late Wednesday night and Thursday AM, mostly cloudy in the afternoon and Thursday night, then partly cloudy Friday and Friday night lows near 55 highs near 65. Partly cloudy Saturday through Tuesday highs 67-62 lows near 55. (seasonal averages high 65 low 53).
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Forecast for the Cascades of Lane County: Party cloudy tonight and Wednesday, clear in the evening, partly cloudy Wednesday night and Thursday AM, sunny Thursday afternoon, partly cloudy Thursday night, mostly sunny Friday, clear in the evening, then partly cloudy Friday night free air freezing level 14,000 ft. tonight, 14,000 ft. rising to 15,000 ft. Wednesday afternoon through Friday, then 16,000 ft. Friday night lows 53-47 warming to 53 Friday night highs 72-76. Mostly sunny Saturday through Tuesday with mostly clear nights free air freezing level 15,000 ft. Saturday through Monday night, then 14,000 ft. Tuesday highs 75-77 lows 54-48.
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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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