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Advisories: NONE AT THIS TIME.
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The high pressure ridge (“Arch” shape of blue arrows) has moved to the east and we will continue feeling cool for the rest of the workweek and in addition an upper level low (“U” shape west of the ridge) is moving through the Pacific Northwest. A cold front (position shown offshore) will move through the Pacific Northwest Thursday cooling us down by a few degrees, then we’ll warm up a bit again through the weekend.
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog this AM, sunny this afternoon, clear tonight, partly cloudy in the AM, sunny Thursday, mostly clear in the evening. partly cloudy Thursday night, mostly cloudy Friday AM, mostly sunny in the afternoon, then partly cloudy Friday night highs 82-77 lows 52-49. Partly cloudy Saturday through Tuesday highs 83-75 lows near 53. (seasonal averages high 84 low 55)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy fog this AM, sunny this afternoon, mostly clear tonight, mostly cloudy Thursday AM, sunny Thursday afternoon, mostly clear in the evening then partly cloudy late Thursday night inland, while mostly cloudy with patchy coastal fog late at night, mostly cloudy with patchy AM coastal fog Friday, sunny in the afternoon, then partly cloudy Friday night highs 64-62 lows 53-48. Partly cloudy Saturday through Tuesday highs 70-73 cooling to 68 Tuesday lows 52-54 cooling to 52 Monday night. (seasonal averages high 66 low 53).
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Forecast for the Cascades of Lane County: Mostly sunny today, clear tonight, mostly sunny Thursday, partly cloudy Thursday night, mostly sunny Friday, then mostly clear Friday night free air freezing level 14,000 ft. today through Thursday, then 13,000 ft. Thursday night through Friday night highs 68-64 warming to 69 Friday lows near 42. Partly cloudy Saturday through Monday night, mostly sunny Tuesday AM, then partly cloudy Tuesday afternoon free air freezing level 13,000 ft. Saturday through Sunday night, 12,000 ft. Monday and Monday night, then 11,000 ft. Tuesday highs near 70 lows near near 43.
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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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