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Advisories: NONE AT THIS TIME.
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An upper level trough of low pressure (“U” shape) has moved through the Pacific Northwest, but a series of ripples in that flow will be followed by an even stronger low that will slide along the coast. That will keep us alternating between periods of clouds and cooler temperatures, and even some light rain or drizzle, then back to some more sunshine and warming temperatures. A frontal system has pushed through the Pacific Northwest spreading showers throughout. Another frontal system approaches the coast Friday (position shown is Saturday) that will bring a chance of showers Saturday with clearing and warming behind it for the rest of the weekend into next week.
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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: A mix of clouds and sun today, partly cloudy tonight and Friday AM, partly cloudy Friday evening, mostly cloudy with a (30%) chance of showers late Friday night, mostly cloudy with a good (50%) chance of showers Saturday, a slight (20%) chance of rain in the evening, then partly cloudy Saturday night highs 73-77 cooling to 73 Saturday lows near 50. Partly cloudy Sunday and Sunday night, a mix of clouds and sun Monday, then partly cloudy Monday night through Wednesday highs 76-78 lows near 50. (seasonal averages high 82 low 51)
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The Pollen forecast for the Eugene/Springfield Area is for trees and weeds to be low, and Grass to be moderste. (Provided by Allergy and Asthma Research Group)
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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy this AM, partly cloudy this afternoon and evening, mostly cloudy late tonight and Friday AM, mostly cloudy Friday afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Friday night, a (30%) chance of showers Saturday, then a slight (20% chance of evening showers, highs 75-82 lows 53-59. Mostly cloudy Sunday through Monday AM, then partly cloudy Monday afternoon through Wednesday highs 81-86 cooling to near 80 Wednesday lows 56-52. (seasonal averages high 85 low 55)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy today through Friday AM, partly cloudy Friday afternoon, mostly cloudy a slight (20%) chance of coastal showers Friday evening with showers likely (60%) late at night, a (40%) chance of inland showers lateFriday night, mostly cloudy with a good (50%) chance of showers Saturday, a slight (20%) chance of showers in the evening, mostly cloudy late with patchy fog late Saturday night highs 63-66 cooling to 62 Saturday lows 52-56. Patchy AM fog, mostly cloudy Sunday through Monday night, AM clouds, partly cloudy Tuesday afternoon and evening, mostly cloudy late Tuesday night, mostly cloudy Wednesday AM, then mostly sunny Thursday afternoon highs near 65 lows near 53. (seasonal averages high 67 low 53).
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Forecast for the Cascades of Lane County: Partly cloudy and warmer today through Friday evening, mostly cloudy with a (30%) chance of showers Friday night, mostly cloudy Saturday AM, a mix of clouds and sun with a (40%) chance of showers Saturday afternoon, then just partly cloudy late Saturday night free air freezing level 9,000 ft. today and tonight, 10,000 ft. Friday, snow level above 8,000 ft. Friday night through Saturday night highs 60-66 cooling to near 62 Saturday lows 40-42. Partly cloudy Sunday and Sunday night, partly cloudy Monday with a slight (20%) chance of showers, then just partly cloudy Monday night through Wednesday free air freezing level 11,000 ft. Sunday, 12,000 ft. Sunday night, snow level above 8,000 ft. Monday, free air freezing level 12,000 ft. rising to 13,000 ft. Monday night through Wednesday highs 68-70 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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