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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) brought us enough marine air to cool our high temperatures down to more comfortable levels. With high pressure (“Arch” shape on brown line) over southern Canada and the low offshore we will warm up for the weekend.. 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 a short lived increase in late night and early morning clouds inland.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy this AM, sunny this afternoon, mostly clear tonight, partly cloudy Friday AM, sunny in the afternoon, mostly clear Friday night, mostly sunny Saturday, then mostly clear Saturday night highs 84-92 lows near 52. 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: Patchy fog this AM, sunny this afternoon, mostly clear in the evening, partly cloudy late tonight and Friday AM, sunny in the afternoon, mostly clear Friday night, mostly sunny Saturday, then mostly clear Saturday night highs 85-93 lows near 57. 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: Mostly cloudy with patchy coastal fog this AM, partly cloudy this afternoon, mostly cloudy tonight and Friday AM, mostly sunny Friday afternoon, partly cloudy Friday in the evening, mostly cloudy Friday night, then partly cloudy Saturday and Saturday night highs near 65 lows near 55. Partly cloudy Sunday and Sunday night, mostly cloudy Monday AM, then partly cloudy Monday afternoon through Wednesday highs near 65 lows near 54. (seasonal averages high 65 low 53).
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Forecast for the Cascades of Lane County: Partly cloudy this AM, mostly sunny this afternoon, clear tonight, sunny Friday, mostly clear Friday night, mostly sunny Saturday, then mostly clear Saturday night free air freezing level 14,000 ft. today through Friday, 16,000 ft. Friday night, 15,000 ft. Saturday, then 16,000 ft. Saturday night highs 74-80 lows near 52. 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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