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Here is my weekly weather quiz question. What is the wettest place in the world? An extra cheer for you if you can tell me the average rainfall there. Please post your answer as a comment after the forecasts. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. Good luck.

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An upper level low over Eastern Oregon that has been keeping us in the onshore air flow is moving to the East. High pressure will start to build up giving us offshore flow and warming us up quite a bit Friday, Saturday, and Sunday. Another trough of low pressure will move in Monday to Tuesday cooling us back down again.There is still smoke high in the atmosphere over us from Canadian fires. So far that smoke has not come down to the surface. Smoke is still collecting over the Deschutes National Forest near Sisters and could slowly move toward us if and when the offshore airflow returns pushing the smoke from East to West.

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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: AM clouds then a mix of clouds and sun and warmer today and Thursday, partly cloudy tonight and mostly clear Thursday night highs 82-89 lows 52-54. Mostly sunny and warmer Friday and Saturday, cooling slowly Sunday through Tuesday highs 92-96 cooling to 89-80 Sunday through Tuesday lows 55-50.  (seasonal averages high 82 low 51)

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Forecast for the Umpqua Basin including, Roseburg:  Mostly cloudy this AM,  sunny in the afternoon, clear tonight, sunny and warmer Thursday, mostly clear in the evening, and partly cloudy Thursday night highs 82-92 lows 55-57. Mostly sunny and warmer Friday and Saturday, mostly sunny with slow cooling Sunday and Monday, mostly clear nights, highs near 95 Friday and Saturday cooling near 90 Sunday, back to 94 Monday lows 58-54. Mostly sunny and warmer again Tuesday high 97 . (seasonal averages high 87 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy AM coastal fog, mostly cloudy this AM then mostly sunny this afternoon inland and evening,  mostly cloudy tonight, mostly cloudy with patchy fog at the shore tonight and Thursday AM, sunny Thursday afternoon, partly cloudy in the evening and mostly cloudy Thursday night at the shore and clear inland highs 63-67 lows 50-55. Mostly cloudy Friday AM then partly cloudy at the shore, sunny inland, clear Friday night, AM sun then partly cloudy Saturday, mostly cloudy with patchy fog Saturday night and Sunday highs 67-62 lows 55-52.  Partly cloudy Sunday evening, becoming mostly cloudy at night and Monday through Tuesday  lows near 54 highs 65-61. (seasonal averages high 68 low 53).

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Forecast for the Cascades of Lane County:  A mix of clouds and sun today and Thursday, partly cloudy tonight, and mostly clear Thursday night a free air freezing level of 12,000 ft. today, 13,000 ft. tonight, and 15,000 ft. Thursday and Thursday night highs 68-80 lows 44-50. Mostly sunny Friday, clear Friday night, sunny Saturday and Sunday, and clear Friday night and Saturday night, mostly clear Sunday night free air freezing level rising to 16,000 ft. highs 85-87-84  lows near 50. Mostly sunny Monday, mostly clear at night, then mostly sunny and cooler Tuesday with a slight (20%) chance of afternoon showers highs 88-82 low 46.

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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.