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Advisories: NONE AT THIS TIME.
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An upper level trough of low pressure (“U” shape) is moving 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 maybe even some light rain or drizzle, then back to some more sunshine and warming temperatures.
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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 tonight, mostly cloudy Monday through Tuesday, mostly cloudy Tuesday night and Wednesday with a slight (20%) chance of showers, then just mostly cloudy Wednesday night lows 48-54 cooling to 47 Wednesday night highs 74-69. Mostly cloudy Thursday and Thursday night, then a mix of clouds and sun and warmer Friday through Sunday highs 73-78 lows near 50. (seasonal averages high 81 low 50)
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The Pollen forecast for the Eugene/Springfield Area is for trees to be low, weeds to be moderate, and Grass to be very high. (Provided by Allergy and Asthma Research Group)
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Forecast for the Umpqua Basin including Roseburg: Partly cloudy this evening, mostly cloudy tonight and Monday AM, mostly sunny Monday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of drizzle late Monday night, mostly cloudy Tuesday AM, partly cloudy Tuesday afternoon and evening with a slight (20%) chance of showers, then mostly cloudy with a slight (20%) chance of showers Tuesday night through Wednesday night lows near 55 highs 79-72. Mostly cloudy and a bit warmer Thursday, partly cloudy Thursday night and Friday, mostly cloudy and a bit warmer Friday night and Saturday, then back to partly cloudy Saturday night and Sunday highs 75-83 lows 52-55. (seasonal averages high 85 low 54)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with areas of drizzle, a slight (20%) chance, and patchy fog late tonight and Monday AM, mostly cloudy Monday afternoon and Monday night with a slight (20%) chance of drizzle and patchy fog late at night and early Tuesday AM, mostly cloudy in the afternoon, mostly cloudy with a slight (20%) chance of showers and a bit cooler late Tuesday night through Wednesday evening, then just mostly cloudy Wednesday night lows near 52 highs 65-60. Mostly cloudy Thursday through Saturday AM, then partly cloudy Saturday afternoon through Sunday highs 65-62 lows near 52. (seasonal averages high 66 low 52).
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Forecast for the Cascades of Lane County: Partly cloudy tonight, a mix of clouds and sun Monday, mostly cloudy Monday night, mostly cloudy with a slight (20%) chance of showers Tuesday afternoon, mostly cloudy with a (30%) chance of showers Tuesday night, mostly cloudy Wednesday AM, a mix of clouds and sun in the afternoon with a slight (20%) chance of showers, then mostly cloudy with a slight (20%) chance of showers Wednesday night free air freezing level 12,000 ft. tonight and Monday, 11,000 ft. Monday night, then a snow level above 8,000 ft. Tuesday through Wednesday night lows 40-37 highs 68-56. Mostly cloudy Thursday AM, a mix of clouds and sun in the afternoon with a slight (20%) chance of showers, partly cloudy Thursday evening, mostly cloudy Thursday night with a slight (20%) chance of showers, partly cloudy with a slight (20%) chance of showers Friday and Friday night, partly cloudy Saturday with a slight (20%) chance of showers, then partly cloudy Saturday night and Sunday snow level above 8,000 ft. Thursday through Saturday, then a free air freezing level at 11,000 ft Saturday night and Sunday highs 60-68 lows 38-42.
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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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