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Here is my new weather quiz question for this week. There is an old saying “Cold is the night when the stars shine bright.” What does this saying mean and how does it happen? Please post your answer as a comment by clicking on “no comments/comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized  weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper air high pressure ridge (“arch” shape)  cleared out the clouds through a good portion of Saturday and as bit of Sunday, but we are back to wet as a series of low pressure troughs approach and  the first in a series of frontal systems returns the rain for the week. Another storm system will be approaching the coast Wednesday, followed by yet another frontal system Sunday.

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Advisories:  A HIGH WIND WARNING IS  IN EFFECT UNTIL 5 PM TODAY FOR THE NORTH AND CENTRAL COAST RANGE OF OREGON.  A HIGH WIND WARNING IS  IN EFFECT UNTIL 2 PM TODAY FOR THE CENTRAL AND SOUTH WILLAMETTE VALEY. A WINTER WEATHER ADVISORY IS IN EFFECT THROUGH 8 AM TUESDAY FOR THE NORTH OREGON CASCADES AND THE CASCADES OF LANE COUNTY. A WIND ADVISORY IS IN EFFECT UNTIL 5PM TODAY FOR THE PORTLAND AREA. A WINTER WEATHER ADVISORY IS IN EFFECT THROUGH 5 AM TUESDAY ABOVE 5,000 FT. FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.  A WIND ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND FOR WESTERN, CENTRAL, AND EASTERN LAKE COUNTY. A HIGH WIND WATCH IS IN EFFECT THROUGH THIS  AFTERNOON FOR THE NORTH AND CENTRAL OREGON COAST.

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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 rain this AM, showers with a slight (20%) chance of afternoon thunderstorms and small hail possible (0.25 in. of rain possible, more in thunderstorms) and windy (wind: SW 35-45 mph gusts to 60 mph), showers likely (60%) with small hail possible this evening, showers likely (60%) late tonight (0.25 in. of rain possible), mostly cloudy with a (40%) chance of showers Tuesday through Wednesday, mostly cloudy Wednesday night with a good (50%) chance of rain highs 53-59 lows 38-45. Mostly cloudy with a (40%) chance of showers Thursday through Friday, partly cloudy with a slight (20%) chance of showers Friday night through  Sunday highs 53-60 lows near 40. (seasonal  averages high  62 low 40)

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Forecast for the Umpqua Basin including Roseburg: Cloudy with rain this AM, afternoon showers (afternoon snow level 3,500 ft. falling to 3,000 ft. this afternoon) and breezy (wind: S 10-20 mph shifting SW 15-25 mph late this AM, showers likely (60%) this evening, a good (50%) chance of showers tonight (snow level 2,500 ft.), mostly cloudy with a (30%) chance of showers Tuesday (AM snow level 2,500 ft.) and Tuesday night (snow level 3,500 ft. in the evening), mostly cloudy with a good (50%) chance of showers Wednesday and a (40%) chance of rain Wednesday night highs 54-62 lows near 44. Mostly cloudy with a (40%) chance of showers Thursday, a (30%) chance of showers Friday, a slight (20%) chance of showers Friday night, then just mostly cloudy Saturday through Sunday 52-62 lows near 40. (seasonal averages high 66 low 42)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with rain this AM, showers this afternoon and windy (wind: SW 25-35 mph gusts to 50 mph decreasing to SW 15-25 mph gusts to 40 mph this afternoon), showers likely (60%) tonight, a good (50%) chance of showers Tuesday, then a (30%) chance of showers Tuesday night, mostly cloudy with a good (50%) chance of showers Wednesday, then a good (50%) chance of rain Wednesday night highs 52-55 lows 43-45. Mostly cloudy with a (40%) chance of showers Thursday and Thursday night, a (30%) chance of showers Friday, mostly cloudy Friday night, then partly cloudy Saturday through Sunday highs 50-53 lows near 42. (seasonal averages high 58 low 44).

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Forecast for the Cascades of Lane County: Mostly cloudy with snow and rain through early afternoon, showers and a slight chance of thunderstorms with small hail this afternoon (4-8 in. of snow possible) and very windy (wind: SW 25-35 mph then increasing SW 35-45 mph gusts to 65 mph mainly over the ridges in the afternoon), snow showers and colder tonight (5-9 in. of snow possible) and breezy (wind: W 15-25 mph gusts to 45 mph decreasing to SW 5-15 mph gusts to 30 mph late at night), cloudy with AM snow showers likely (60%) Tuesday, (3-6 in. of snow possible), rain and snow showers likely (60%) in the afternoon (2-5 in. of snow possible), mostly cloudy with rain and snow showers Tuesday night, a good (50%) chance of rain and snow showers Wednesday, then a good (50%) chance of rain and snow Wednesday night snow level 3,500 ft. today, 2,50o ft. tonight, 2,500 ft. rising to 3,500 ft. Tuesday afternoon,  4,000 ft. Tuesday night and Wednesday, then 4,500 ft. Wednesday night highs 36-33 warming to near 42 by Wednesday lows 23-33. Mostly cloudy with rain and snow showers Thursday, rain and snow showers likely (60%) Thursday night, a (40%) chance of rain and snow showers Friday, a (30%) chance of snow showers and a slight (20%) chance of showers Friday night, then partly cloudy with a (30%) chance of rain and snow showers Saturday, partly cloudy with a slight (20%) chance of rain and snow showers Saturday night, then partly cloudy with  a slight (20%) chance of rain and snow showers Sunday snow level 3,000 ft. Thursday and Thursday night,  3,500 ft. Friday and Friday night,  4,000 ft. Saturday and Saturday night, then 4,500 ft. Sunday highs 40-45 lows near 26.

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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.