Advisories: A WINTER WEATHER ADVISORY IS IN EFFECT FROM 8 PM TONIGHT THROUGH 5 PM WEDNESDAY FOR THE NORTH OREGON CASCADES INCLUDING THE CASCADES OF LANE COUNTY. A WINTER WEATHER ADVISORY IS IN EFFECT THROUGH 11 AM TODAY ABOVE 5,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES.
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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 sunny this AM, more clouds this afternoon with a slight (20%) chance of showers into the evening, mostly cloudy with showers likely (60%) late tonight (0.10 in. of rain possible), showers with a slight (20%) chance of afternoon and evening thunderstorms Wednesday (0.25 in. of rain possible, more in thunderstorms), and Wednesday night (0.25 in. of rain possible, more in thunderstorms), partly cloudy with a good (50%) chance of AM showers Thursday, afternoon showers likely (60%) with a slight (20%) chance of thunderstorms (snow level 1,200 ft. in the afternoon, only a minor dusting possible), mostly cloudy with a (30%) chance of showers Thursday night highs 53-49 lows 38-32. Partly cloudy with a slight (20%) chance of showers Friday, mostly cloudy Friday night, AM clouds and sun Saturday, mostly cloudy Saturday night and Sunday with a slight (20%) chance of showers, then mostly cloudy with a (40%) chance of rain Sunday night and a (40%) chance of showers Monday highs 52-55 lows 33-42. (seasonal averages high 59 low 38)
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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with a good (50%) chance of showers today (snow level 2,500 ft.), showers likely (60%) tonight (snow level 2,500 ft.), rain and snow showers Wednesday AM, rain and snow in the afternoon (snow level 2,000 ft. rising to 2,500 ft.), rain with snow and isolated thunderstorms in the evening, rain and snow showers late Wednesday night (snow level 1,500 ft. falling to 1,000 ft. late), rain and snow showers likely (60%) Thursday AM and afternoon with a slight (20%) chance of afternoon thunderstorms, then a (30%) chance of rain and snow showers Thursday night highs 55-45 lows 39-32. Mostly cloudy with a slight (20%) chance of showers Friday through Saturday night, a (40%) chance of showers Sunday, a good (50%) chance of showers Sunday night, then mostly cloudy with showers likely (60%) Monday highs 52-59 lows 37-46. (seasonal averages high 63 low 40)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy this AM, partly cloudy with a good (50%) chance of showers in the afternoon (snow level 2,000 ft. this afternoon), mostly cloudy with showers likely (60%) tonight, showers Wednesday AM then rain in the afternoon (snow level 2,000 ft.), rain and isolated thunderstorms Wednesday evening, showers late Wednesday night (snow level 1,500 ft.), coastal showers likely (60%) Thursday AM, AM inland rain and snow showers likely (60%), showers likely (60%) with a slight (20%) chance of thunderstorms Thursday afternoon (snow level 1,000 ft. rising to 2,000 ft.), and a (30%) chance of showers Thursday night highs 52-49 lows 42-35. Mostly cloudy with a slight (20%) chance of showers Friday, just mostly cloudy Friday night, a slight (20%) chance of showers Saturday and Saturday night, a good (50%) chance of showers Sunday, then mostly cloudy with showers likely (60%) and breezy Sunday night and Monday highs 50-56 lows 37-46. (seasonal averages high 56 low 42).
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Forecast for the Cascades of Lane County: Snow showers likely (60%) today (1-3 in. of snow possible), mostly cloudy with snow showers tonight (2-6 in. of snow possible), snow showers Wednesday (10 in. of snow possible) and Wednesday night (2-4 in. of snow possible), snow showers likely (60%) Thursday (1-3 in. of snow possible), and mostly cloudy with a (40%) chance of snow showers Thursday night snow level 2,500 ft. today and tonight, and at the surface Wednesday through Thursday night highs 38-29 lows 24-19. Mostly cloudy with a (30%) chance of rain and snow showers Friday, a slight (20%) chance of rain and snow showers Friday night, partly cloudy with a slight (20%) chance of rain and snow showers Saturday, mostly cloudy with a slight (20%) chance of rain and snow showers Saturday night, just mostly cloudy Sunday, then mostly cloudy with a good (50%) chance of rain and snow showers Sunday night and Monday snow level 3,000 ft. Friday and Friday night, 3,500 ft. Saturday, 4,000 ft. Saturday night, rising to 4,500 ft. Sunday, then a snow level of 4,000 ft. Sunday night and Monday highs 37-42 falling to 36 Sunday and Monday lows 22-28.
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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.