Here is my weekly weather quiz question again. Where in the world do they have the most days of thunderstorms in a calendar year? Again, extra congratulation points if you can give the number of thunderstorms there per year. Please place your answer as a comment after the forecasts and the first person to post the correct answer will win one week of free personalized weather forecasts tailored to your needs. Good luck.
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A weak upper level low pressure trough (the “U” shaped dip in the yellow jet stream line) is going to stay positioned offshore for a while and that will keep our temperatures in a more comfortable range. There will still be a slight chance of mountain thunderstorms through Friday evening. The trough will start moving eastward and by early next week high pressure will start to build in behind it.
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Advisories: NONE AT THIS TIME.
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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 clear tonight, AM clouds then mostly sunny Friday through Monday, and skies increasing to mostly cloudy at night lows near 50 highs 83-77-84-82. Partly cloudy Monday night through Wednesday night, and a mix of clouds and sun Tuesday through Thursday lows near 53 highs 82-84. (seasonal averages high 83 low 52)
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Forecast for the Umpqua Basin including, Roseburg: Mostly clear tonight with patchy fog late and Friday morning, sunny Friday afternoon, mostly clear in the evening and partly cloudy Friday night lows 65-53 high 86. Partly cloudy Saturday through Monday night highs 84-88 lows 53-56. AM clouds, then sunny Tuesday afternoon, mostly clear at night, and mostly sunny Wednesday highs 88-85 low 57. Partly cloudy Wednesday night and Thursday low 53 high 87. (seasonal averages high 87 low 56)
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Clear this evening with patchy fog late at night and early Friday AM, then partly cloudy in the afternoon and evening, then mostly cloudy Friday night with patchy fog, some late night coastal drizzle lows near 50 high 62. AM fog and low clouds, areas of coastal drizzle, then partly cloudy Saturday and Saturday evening, then mostly cloudy with areas of patchy fog and coastal drizzle late at night high 60 low 48. AM clouds and fog Sunday, then partly cloudy and a bit warmer Sunday night through Thursday highs between 62-64 lows near 50. (seasonal averages high 67 low 53).
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Forecast for the Cascades of Lane County: Partly cloudy tonight with a slight (20%) chance of evening thunderstorms, mostly sunny Friday with a slight (20%) chance of afternoon and evening thunderstorms,then partly cloudy Friday night free air freezing level of 13,000 ft. falling to 12,000 ft. Friday night lows 47-44 high 76. A mix of clouds and sun Saturday through Thursday, and partly cloudy each night free air freezing level 12,000 ft. Saturday rising to 13,000 ft. Saturday night, 14,00 ft. Sunday night, then between 13,000 ft. and 14,000 ft. Monday through Wednesday highs 70-76 lows 45-48.
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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.