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Advisories: NONE AT THIS TIME.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy with a (40%) chance of showers this AM, mostly cloudy with a slight (20%) chance of thunderstorms this afternoon and evening (under 0.10 in. of rain possible, more in storms), then a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible) and again Wednesday AM, a mix of clouds and sun with a slight (20%) chance of showers Wednesday afternoon and evening, partly cloudy Wednesday night and Thursday, a slight (20%) chance of showers late Thursday night highs 78-75 warming to near 80 Thursday lows 55-52. Partly cloudy Friday and Friday night, then mostly sunny Saturday, Sunday, and Monday with mostly clear nights highs 80-90 cooling to near 87 Monday lows near 54. (seasonal averages high 83 low 52)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a good (50%) chance of scattered showers and a slight (20%) chance of isolated thunderstorms this AM increasing in the afternoon and evening, with rain possibly heavy at times, (under 0.10 in. of rain possible, more in storms), a  (40%) chance of showers late tonight and Wednesday AM, partly cloudy with a slight (20%) chance of thunderstorms Wednesday afternoon and evening, partly cloudy late Wednesday night, mostly cloudy Thursday AM, partly cloudy with a slight (20%) chance of thunderstorms Thursday afternoon and evening, then just partly cloudy Thursday night highs 72-78 lows 57-54. Partly cloudy Friday through Saturday AM, mostly clear at night, then mostly sunny Sunday and Monday with mostly clear nights highs 84-92 cooling to near 89 Monday lows near 58. (seasonal averages high 85 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with scattered showers and isolated thunderstorms this AM increasing and possibly heavy at times this afternoon and evening (under 0.10 in. of rain possible, more in storms), a (30%) chance of showers late tonight (under 0.10 in. of rain possible), mostly cloudy with a (30%) chance of coastal showers Wednesday AM, then just mostly cloudy with a slight (20%) chance of thunderstorms Wednesday afternoon and evening, mostly cloudy Thursday AM, partly cloudy with a slight (20%) chance of thunderstorms in the afternoon and evening, then mostly cloudy Thursday night highs 62-65 lows 56-52 warming to 55 Thursday night. Mostly cloudy Friday AM, mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy Friday night and Saturday AM, mostly sunny and warmer in the afternoon, mostly clear Saturday night, mostly sunny Sunday and Monday highs 62-72 cooling to 66 Monday lows near 55. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County:  Mostly cloudy with a good (50%) chance of thunderstorms today and this evening (0.10 in. of rain possible, more in storms), a good (50%) chance of showers and a slight (20%) chance thunderstorms late tonight (0.10 in. of rain possible, more in storms), a (30%) chance of showers Wednesday AM, a mix of clouds and sun with a (30%) chance of showers and a slight (20%) chance of thunderstorms in the afternoon and evening, a (30%) chance of showers late Wednesday night partly cloudy with a (30%) chance of showers and a slight (20%) chance of thunderstorms Thursday afternoon and Thursday night free air freezing level 12,000 ft. today, snow level above 8,000 ft. tonight through Thursday night highs 62-68 lows near 46. Partly cloudy  with a slight (20%) chance of showers Friday AM, partly cloudy Friday night, then mostly sunny Saturday, Sunday, and Monday with mostly clear skies at night free air freezing level 12,000 ft. Friday, 13,000 ft. Friday night and Saturday, 14,000 ft. Saturday night through Sunday night, then 15,000 ft. Monday highs 68-82 cooling to near 79 Monday lows 47-50.

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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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