Here again 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 “U” area with blue arrows into Northern California). A  stronger frontal system offshore  will move in bringing wind and more rain into Oregon today and tonight.

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Advisories:  A HIGH WIND WARNING IS IN EFFECT FROM 10 AM UNTIL 7 PM TODAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A HIGH WIND WARNING IS IN EFFECT FROM  1 PM THIS AFTERNOON UNTIL 9 PM TONIGHT FOR THE NORTH OREGON COAST AND FROM 11 AM UNTIL 7 PM FOR THE CENTRAL 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 (40%) chance of rain  this morning then rain in the afternoon and showers likely (60%) and breezy (winds Southwest 15-25 mph dropping to Southwest 5-15 mph late at night) tonight high 65 low 42. Mostly cloudy with showers likely (60%) Thursday morning then a good (50%) chance of showers in the afternoon and evening, then showers likely (60%) late at night and Friday highs 60-53 low 38. Mostly cloudy with a (40%) chance of showers Friday night through Saturday night lows near 40 high 56 . Mostly cloudy Sunday morning and a mix of clouds in the afternoon with a slight (20%) chance of showers high 63 . Partly cloudy with a slight (20%) chance of showers Sunday night through Tuesday lows 42-45 highs 65-62.

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Forecast for the Umpqua Basin including Roseburg: For today rain and breezy (winds Southeast 5-10 mph increasing to South 20-25 mph in the afternoon) then showers in the evening and likely (60%) at night and breezy (winds Southwest 15-25 mph decreasing to 5-10 mph late at night) snow level 3,500 ft. falling to 3,000 ft. late night high 60 low 40. Mostly cloudy with rain and snow showers likely (60%) Thursday morning, a (40%) chance of showers in the afternoon and showers likely (60%) late Thursday night snow level lowering to 3,000 ft. high 63 low 40. Mostly cloudy with showers likely (60%) and cooler Friday snow level 2,500 ft. rising to 3,500 ft. in the afternoon then rain and snow showers likely (60%) Friday night and a (40%) chance of rain and snow showers Saturday morning then a (30%) chance of showers in the afternoon and at night  highs 52-58 lows 40-46. Mostly cloudy with a slight (20%) chance of showers Sunday through Tuesday highs 63-69 lows 44-49.

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Rain today and windy (winds Southeast 10-15 mph increasing to Southeast 25-35 mph at the shore and Southeast 10-15 mph in the AM and Southwest 20-30 mph in the afternoon inland) ,  showers tonight and windy (winds Southwest 25-35 mph then decreasing to Southwest at 10-15 mph late at the shore and Southwest 20-25 mph decreasing to 10-15 mph by late evening inland) high 60 low 47. Mostly cloudy with showers likely (60%) Thursday morning , a (20%) chance in the afternoon, (30%) in the evening, and rain likely (60%) Thursday night inland and a good (50%) chance of evening rain then rain likely (60%) Thursday night inland high 58 low 45. Mostly cloudy with showers Friday and a (50%) chance of showers Friday night through Saturday and (40%) at night lows 46-44 highs 52-56. Mostly cloudy with a slight (20%) chance of showers Sunday through Monday night highs 58-62 lows 47-50. Mostly cloudy with a (30%) chance of showers Tuesday high 54.

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Forecast for the Cascades of Lane County:  Mostly cloudy with a good (50%) chance morning rain, then rain this afternoon and rain and snow showers tonight 1-4 in. of snow possible snow level 7,000 ft. falling to 5,500 ft. in the evening and to 3,500 ft. late at night high near 52 low 32. Rain and snow showers likely (60%) Thursday morning and a good (50%) chance in the afternoon 1 in. of snow possible then a (40%) chance  of rain and snow showers Thursday evening and likely (60%) at night snow level 3,500 ft. rising to 4,000 ft. high 40 low 28. Mostly cloudy with rain and snow 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 3,000 ft. Friday night, 3,000 ft., 3,500 ft. Saturday, and 4,500 ft. Saturday night lows 25-28 highs 36-40. Mostly cloudy Sunday morning, a mix of clouds and sun in the afternoon with a (30%) chance of showers snow level 5,000 ft. high 45. Partly cloudy with a slight (20%) chance of showers Sunday night through Monday night snow level 5,500 ft. Sunday night rising to 6,000 ft. Monday, and 5,500 ft. Monday night  lows 26-32 high 54. A mix of clouds and sun Tuesday morning then mostly cloudy with a (30%) chance of showers snow level 5,500 ft. high 55.

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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.