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Advisories: NONE AT THIS TIME.
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A ridge of high pressure (“Arch” shape on orange line) has moved out as a trough of low pressure (“U” shape moving in behind) sends moist cooler air our way. A frontal system has taken its time pushing through and will be followed by another cold front that is trailing behind.
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Here are your detailed forecasts.**
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a good (50%) chance of showers this evening (0.10 in. of rain possible), a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible), a mix of clouds and sun Sunday AM, mostly cloudy in the afternoon, cloudy with a (40%) chance of rain in the evening, rain likely (60%) late Sunday night (0.25 in. of rain possible), rain Monday AM, showers in the afternoon, showers likely (60%) Monday night and Tuesday, then rain Tuesday night lows 46-53 cooling to 46 Tuesday night highs 70-64. Mostly cloudy with showers Wednesday, showers likely (60%) Wednesday night, cloudy with a good (50%) chance of showers Thursday and Thursday night, a (30%) chance of showers Friday, mostly cloudy with a slight (20%) chance of showers Friday night, then partly cloudy with a slight (20%) chance of showers Saturday highs 60-65 lows near 48. (seasonal averages high 71 low 44)
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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a (30%) chance of showers tonight, mostly cloudy with a slight (20%) chance of rain Sunday afternoon, cloudy with a (40%) chance of rain in the evening, rain late Sunday night, rain likely (60%) Monday AM, showers in the afternoon, showers likely (60%) Monday night, rain likely (60%) Tuesday, then rain Tuesday night lows near 49 highs 72-60. Mostly cloudy with showers Wednesday and Wednesday night, a (40%) chance of showers Thursday, cloudy with a (30%) chance of showers Thursday night, then mostly cloudy with a slight (20%) chance of showers Friday through Saturday highs 60-72 lows 45-50. (seasonal averages high 73 low 48)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with a slight (20%) chance of showers tonight, mostly cloudy with a (30%) chance of rain Sunday afternoon, a slight (20%) chance of rain inland Sunday afternoon, inland rain likely (60%) in the evening, then rain late at night with coastal rain Sunday night, rain Monday, showers Monday night, then rain Tuesday and Tuesday night lows 52-47 highs 63-59. Mostly cloudy with showers Wednesday, showers likely (60%) Wednesday night, mostly cloudy with a (40%) chance of showers Thursday, cloudy with a (30%) chance of showers Thursday night, then mostly cloudy with a slight (20%) chance of showers Friday through Saturday highs 59-64 lows near 49. (seasonal averages high 63 low 48).
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Forecast for the Cascades of Lane County: Mostly cloudy with showers likely (60%) and a slight (20%) chance of thunderstorms this evening, a slight (20%) chance of showers late tonight (0.10 in. of rain possible, more in thunderstorms), a mix of clouds and sun Sunday, mostly cloudy with a slight (20%) chance of evening rain, a good (50%) chance of rain late Sunday night, rain Monday, showers Monday night, showers likely (60%) Tuesday, then showers likely (60%) Tuesday night snow level 8,000 ft. tonight, free air freezing level 10,000 ft. Sunday, snow level 8,000 ft. Sunday night, 7,000 ft. Monday and Monday night, 6,000 ft. Tuesday, then 6,500 ft. Tuesday night lows 39-34 highs 57-47 warming to 56 Tuesday. Mostly cloudy with showers Wednesday, rain and snow showers likely (60%) Wednesday night, a good (50%) chance of showers Thursday and Thursday night, mostly cloudy with a (30%) chance of showers Friday and Friday night, then partly cloudy with a slight (20%) chance of showers Saturday snow level 5,500 ft. Wednesday, 5,000 ft. Wednesday night, 6,000 ft. Thursday and Thursday night, 7,000 ft. Friday, then above 8,000 ft. Friday night and Saturday highs 43-55 lows 35-38.
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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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Get your local Eugene-Springfield news on-line at Eugene Daily News.com.
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