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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. It will move to the east and be replaced by another upper level low. A weak surface wave, this cold front, will bring increased chances of fog and maybe a slight chance of a little 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: Clear this evening, partly cloudy tonight and Thursday AM, mostly sunny in the afternoon, mostly clear Thursday night, partly cloudy Friday AM, sunny in the afternoon, mostly clear Friday night, mostly sunny Saturday, then mostly clear Saturday night lows near 52 highs 84-92. Mostly sunny Sunday AM, partly cloudy in the afternoon and evening, mostly cloudy Sunday night and Monday AM, mostly sunny Monday afternoon, partly cloudy at night and Tuesday AM, then mostly sunny Tuesday afternoon and Wednesday with mostly clear skies Tuesday night highs 90-82 lows near 52. (seasonal averages high 84 low 52)
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Forecast for the Umpqua Basin including Roseburg: Mostly clear this evening, partly cloudy late tonight, patchy fog Thursday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy late Thursday night and Friday AM, sunny in the afternoon, mostly clear Friday night, mostly sunny Saturday, then mostly clear Saturday night lows near 57 highs 85-92. Mostly sunny Sunday through Wednesday with mostly clear nights highs 92-85 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 with patchy coastal fog late tonight and Thursday AM, partly cloudy in the afternoon, mostly cloudy Thursday night and Friday AM, mostly sunny Friday afternoon, partly cloudy Friday in the evening, mostly cloudy Friday night, then partly cloudy Saturday and Saturday night lows 55-52 warming to 55 Saturday night highs near 65. Partly cloudy Sunday and Sunday night, mostly cloudy Monday AM, then partly cloudy Monday afternoon through Wednesday highs near 65 lows near 55. (seasonal averages high 65 low 53).
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Forecast for the Cascades of Lane County: Clear tonight, sunny Thursday, clear Thursday night, sunny Friday, mostly clear Friday night, mostly sunny Saturday, then mostly clear Saturday night free air freezing level 14,000 ft. tonight through Friday, 16,000 ft. Friday night, 15,000 ft. Saturday, then 16,000 ft. Saturday night lows 50-53 highs 74-80. Mostly sunny Sunday through Wednesday with mostly clear nights free air freezing level 15,000 ft. Sunday through Monday night, 13,000 ft. Tuesday, 14,000 ft. Tuesday night, then 15,000 ft. Wednesday highs 77-72 lows 52-48.
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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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