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Another trough of low pressure is moving through Oregon (See “U” shape ) behind the high pressure ridge (See “Arch” shape”) that kept us hot and dry, then a cold front (map shows a front moved down from the Gulf of Alaska) moved through Oregon Thursday bringing temperatures back down. Weak high pressure will slowly start to warm us back up again by mid next week.
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Advisories: NONE AT THIS TIME. Please note the following:
At the request of the U.S. Forest Service, ODOT has closed OR 242, the historic McKenzie Highway to the public. The highway is being used heavily by firefighters and equipment
associated with the Scott Mountain Fire, approximately six miles north
of OR 242. Eastbound motorists will be turned around at the White Branch Youth Compound. … Westbound motorists will be stopped at the Dee Wright Observatory.
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The summer Pollen Count Forecast season for the Eugene-Springfield area is over. From Allergy and Asthma Research Group.
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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 this AM, then a mix of clouds and sun and cooler this afternoon, partly cloudy in the evening, and mostly cloudy with a slight (20%) chance of showers late tonight and Saturday, and mostly cloudy with a slight (20%) chance of showers late Saturday night highs 73-69 lows 42-45. AM clouds then a mix of clouds and sun with a slight (20%) chance of showers Sunday and Monday, partly cloudy in the evenings then mostly cloudy with a slight (20%) chance of showers, at night highs 75-70 lows 46-50. A mix of clouds and sun and warmer Tuesday through Thursday, and partly cloudy at night highs 78-86 lows 50-53. (seasonal averages high 81 low 50)
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Forecast for the Umpqua Basin including, Roseburg: AM clouds, sunny and cooler today, mostly clear in the evening, then mostly cloudy with a slight (20%) chance of showers tonight through Monday night highs 70-74 lows 44-48. AM clouds then partly cloudy Tuesday afternoon and evening, clearing Tuesday night, sunny Wednesday AM, then partly cloudy Wednesday night and Thursday highs 76-87 lows near 50. (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 patchy coastal fog this AM, then partly cloudy in the afternoon and evening, mostly cloudy tonight with a slight (20%) chance of showers late, a slight (20%) chance of coastal showers all day Saturday and mainly in the AM inland, mostly cloudy with a slight (20%) chance of showers late Saturday night highs 63-59 lows 50-46. Mostly cloudy with a slight (20%) chance of showers Sunday through Monday evening, AM clouds and fog Tuesday then partly cloudy Tuesday night through Thursday highs 60-66 lows 48-53. (seasonal averages high 68 low 53).
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Forecast for the Cascades of Lane County: AM clouds then a mix of clouds and sun today, becoming mostly cloudy with a slight (20%) chance of showers late tonight and Saturday AM, mostly cloudy Saturday and Saturday night with a slight (20%) chance of showers free air freezing level 9,000 ft. today, snow level 8,000 ft. tonight and Saturday, and and 7,000 ft. Saturday night highs 54-58 lows 39-35. Mostly cloudy with a slight (20%) chance of showers Sunday through Monday evening, partly cloudy Monday night, and a mix of clouds and sun and warmer Tuesday through Thursday, and partly cloudy Tuesday night and Wednesday night snow level 7,000 ft. Sunday, 8,000 ft. Sunday night through Monday night, and a free air freezing level 12,000 ft. Tuesday, 14,000 ft. at night, and 15,000 ft. Wednesday through Thursday highs 63-54 then warming to 66-72 Tuesday through Thursday lows 37-52.
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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.