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Advisories: NONE AT THIS TIME.
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We have been under a blocking high pressure ridge (“Arch” shape covering the Pacific Northwest) that kept us under Easterly hot airflow. The ridge has weakened and will start moving away from us. A frontal system will move in for the weekend which could even produce some showers.
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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: Partly cloudy this evening, mostly cloudy late tonight and Thursday AM, partly cloudy Thursday afternoon and evening, mostly cloudy late Thursday night and Friday AM, partly cloudy Friday afternoon and evening, mostly cloudy Friday night and Saturday, mostly cloudy with rain likely (60%) Saturday night lows 53-45 highs 68-72. Mostly cloudy with rain likely (60%) Sunday AM, a good (50%) chance of showers Sunday afternoon, mostly cloudy Sunday evening, partly cloudy with a (40%) chance of showers late Sunday night, partly cloudy with a slight (20%) chance of showers Monday, then just partly cloudy Monday night through Wednesday highs 68-72 lows near 52. (seasonal averages high 78 low 47)
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Forecast for the Umpqua Basin including Roseburg: Mostly clear this evening, mostly cloudy tonight through Friday AM, partly cloudy Friday afternoon and evening, mostly cloudy Friday night, then mostly cloudy with a slight (20%) chance of showers Saturday and Saturday night lows 52-43 rising to 48 Saturday night highs 72-76. Mostly cloudy with a slight (20%) chance of showers Sunday and Sunday evening, partly cloudy with a slight (20%) chance of showers Sunday night and Monday AM, sunny Monday afternoon, partly cloudy Monday night through Wednesday AM, then sunny Wednesday afternoon highs 75-80 lows 53-50. (seasonal averages high 79 low 52)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy this evening, cloudy with patchy fog late tonight, mostly cloudy with early AM patchy fog Thursday, mostly cloudy in the afternoon, mostly cloudy Thursday night through Friday night, mostly cloudy with a slight (20%) chance of showers Saturday and Saturday night lows 52-44 warming to near 50 Saturday night highs 64-60 warming to near 65 Saturday. Mostly cloudy with a slight (20%) chance of showers Sunday through Monday AM, then partly cloudy Monday afternoon through Wednesday highs near 66 lows near 52. (seasonal averages high 65 low 50).
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Forecast for the Cascades of Lane County: Partly cloudy tonight, mostly cloudy Thursday AM, partly cloudy Thursday afternoon withy a mix of clouds and sun near the crest, mostly cloudy Thursday night, partly cloudy Friday AM, then partly cloudy Friday afternoon and Friday night, becoming mostly cloudy near the crest late at night, partly cloudy Saturday AM, mostly cloudy with a (40%) chance of rain Saturday afternoon and night free air freezing level 14,000 ft. tonight, snow level above 8,000 ft. Thursday, free air freezing level 12,000 ft. Thursday night, 11,000 ft. Friday, snow level above 8,000 ft. Friday night through Saturday night lows 47-40 warming to near 45 Saturday night highs 62-66. Mostly cloudy with a good (50%) chance of rain Sunday AM, a good (50%) chance of showers Sunday afternoon, mostly cloudy Sunday evening, partly cloudy with a (40%) chance of showers late at night, mostly sunny with a slight (20%) chance of showers Monday, mostly clear Monday night, mostly sunny Tuesday, mostly sunny Tuesday, partly cloudy Tuesday night and Wednesday AM, then mostly sunny Wednesday afternoon snow level above 8,000 ft. Sunday through Monday, then free air freezing level 14,000 ft. Monday highs 65-70 lows 42-45.
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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 EugeneDailyNews.com.
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