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The jet stream will be sending waves of alternating weak high pressure and low pressure over the weekend through next week. The result will be a continuation of the unsettled weather pattern that will be a roller coaster from some clouds with a slight chance of drizzle to more sun and dry and back again.
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Advisories: NONE AT THIS TIME.
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The Updated Pollen Count Forecast for the Eugene-Springfield area : Trees LOW, Grass VERY HIGH, and weeds LOW. Data 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: A mix of clouds and sun this AM, mostly sunny and warmer in the afternoon, and mostly clear tonight high 82 low 52 . Mostly sunny and a bit warmer Sunday, mostly clear in the evening, then mostly cloudy overnight and Monday AM, and a mix of clouds and sun and cooler Monday afternoon highs 83-77 low 53. Partly cloudy Monday night, mostly cloudy overnight and Tuesday AM, back to a mix of clouds and sun Tuesday afternoon through Thursday afternoon with late night and early morning mostly cloudy skies lows 47-52 highs 68-76.
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Forecast for the Umpqua Basin including Roseburg: AM clouds then sunny and warmer today and Sunday, and clear tonight highs 85-89 low 56. Clear Sunday evening, and mostly cloudy Sunday night and cooler through Monday night and Tuesday AM lows 56-53 high 82. Partly cloudy Tuesday afternoon and evening, then mostly cloudy Tuesday night and Wednesday AM with a slight (20%) chance of showers in the AM, partly cloudy and cooler in the afternoon and evening, then mostly cloudy Wednesday night highs 76-69 lows 53-49. Partly cloudy Thursday through Friday AM, then sunny and warmer Friday afternoon highs 75-79 lows near 50.
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Forecast for the South Oregon Coast including Coos Bay and North Bend: AM clouds and patchy fog at the shore, then mostly sunny today, mostly clear tonight with patchy coastal fog late night and early Sunday AM, then sunny and warmer Sunday highs 65-66 low 55. Mostly clear Sunday evening, becoming cloudy Sunday night with a slight (20%) chance of drizzle late at night and then mostly cloudy and cooler with a slight (20%) chance of drizzle Monday morning low 52 high 65-62. Mostly cloudy with a slight (20%) chance of showers Monday night through Thursday lows near 50 highs 62-65. Partly cloudy Thursday night and Friday low 52 high 65.
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Forecast for the Cascades of Lane County: Mostly sunny and warmer today and Sunday, clear tonight free air freezing level 13,000 ft.today through Sunday highs 72-75 low 44. Partly cloudy Sunday night and Monday night and a mix of clouds and sun and cooler Monday and Tuesday free air freezing level 12,000 ft. falling to 11,000 ft. Tuesday lows 45-37 highs 74-66. Partly cloudy with a slight (20%) chance of showers late Tuesday night and Wednesday, partly cloudy Wednesday evening, mostly cloudy Wednesday night and Thursday AM, and a mix of clouds and sun and cooler Thursday afternoon snow level above 8,000 ft. Tuesday night and 6,500 ft. Wednesday, free air freezing level 7,500 ft. Wednesday night, and a free air freezing level 8,000 ft. Thursday lows 37-42 highs 69-60. Partly cloudy with a slight (20%) chance of showers Friday snow level 8,000 ft. high 64.
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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.