Here is my new weekly weather quiz question for this week. Who discovered Halley’s comet? Please post your answer as a comment after the forecasts. The first person to post the correct answer will win one free week of personalized forecasts tailored to your needs. Good luck.

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An upper level trough of low pressure (Shaded area into Southern California then the east side of “U” is formed by the blue arrows). A  frontal system is moving in from the Southwest and will push Northeastward. By Wednesday another stronger frontal system (shown here past us by  Thursday morning) will be poised to bring more rain into Oregon.

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Advisories:  A HIGH WIND WATCH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING FOR THE SOUT CENTRAL AND SOUTH OREGON COAST.

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The Pollen Count Forecast for the Eugene-Springfield area : Trees MODERATE, Grass LOW, weeds Absent.

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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 with a good (50%) chance of showers today and a (30%) chance of showers this evening and a slight (20%) chance at night high near 60 low 45 . Cloudy with a good (50%) chance of rain Wednesday morning then rain in the afternoon and showers likely (60%) Wednesday night high 65 low 42. Mostly cloudy with a good (50%) chance of showers Thursday through Friday and a (30%) chance Friday night through Monday highs 56-64  lows 40-45.

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy, patchy AM fog, with a good (50%) chance of showers today and a  (30%) chance of rain late this evening high 63 low 46. Rain likely (60%) Wednesday morning then rain Wednesday afternoon, evening showers, then showers likely (60%) late at night high 67 low 42 . Mostly cloudy with a good (50%) chance of showers Thursday, and showers likely (60%) Thursday night high 62 low 42. Mostly cloudy with a good (50%) chance of showers and cooler Friday and Friday night high 54 low 40. Mostly cloudy with a (30%) chance of showers Saturday through Monday highs 60-68 lows 42-46.

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy, patchy fog, with showers likely (60%) this AM and a (40%) chance in the afternoon then a good (50%) chance of rain tonight high 55 low 48. Rain and windy (winds Southeast 10-15 mph increasing to South 25-35 mph at the shore and South 15-25 mph inland) Wednesday, showers likely (60%) in the evening then showers late at night and breezy (winds Southwest 20-25 mph gusts to 40 mph then decreasing to Southwest at 10-15 mph) at the shore and showers likely (60%) chance inland  highs 62 lows 43. Mostly cloudy with showers likely (60%) Thursday morning , a slight (20%) chance in the afternoon, (30%) in the evening, and showers likely (60%) Thursday night through Friday night highs 58-52 lows 4642 . Mostly cloudy with a  (30%) chance of showers Saturday through Monday highs 55-60 lows near 47 .

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Forecast for the Cascades of Lane County:  Mostly cloudy with showers likely (60%) today and evening showers then (40%) chance of evening showers and a slight (20%) chance of showers overnight snow level 6,500 ft. falling to 6,000 ft. then 5,500 ft. at night high 49 low 32. Mostly cloudy with a good (50%) chance morning, then rain Wednesday afternoon and evening and showers likely (60%) late Wednesday night snow level 7,000 ft. falling to 5,500 ft. in the evening and to 3,500 ft. late at night high near 50 low 30. Rain and snow showers likely (60%) Thursday and Thursday night snow level 3,000 ft. high 40 low 26 . Mostly cloudy with showers likely (60%) Friday snow level 3,500 ft. high 34 . Mostly cloudy with a (40%) chance of rain and snow showers Friday night through Saturday night snow level 3,500 ft. rising to 5,000 ft. Saturday night lows 26-30 highs 35-44 . Mostly cloudy with a (30%) chance of showers Sunday through Monday snow level 6,000 ft. Sunday falling to 5,500 ft. Sunday night and Monday highs 46-50 low 30 .

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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.