The upper airflow (look at the little arrows along the coast) is curving from the southwest bringing warmer more moist air into Oregon. A frontal system is pushing into northern California (see last frame of animation). It is spreading moisture northward over us.  Freezing rain and sleet are falling in the area because of that warm moist rolling over the cold air mass that is still over us.As the cold air at the surface is cleared out it will be replaced by the warmer moist air. Next week will be warmer and become very wet because of a fetch of subtropical moisture headed our way.

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Advisories: A DENSE FOG ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE SOUTHERN WILLAMETTE VALLEY. A HIGH WIND WATCH IS IN EFFECT FOR THE SOUTH OREGON COAST FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON.

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For the Willamette Valley: Today will be warmer with a good (50%) chance of showers high 40-43. Mostly cloudy with a  (40%) chance of showers tonight lows 30-32. Mostly cloudy with a (30%) chance of rain Monday high 43-46. Rain Monday night and Tuesday low 38-40 high 47-49. Rain will be likely (60%) Wednesday through Saturday highs warming to near 59  lows 40-45.

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For the Umpqua Basin:  AM showers likely (60%) today then rain and snow showers likely (60%) in the afternoon, snow level 3,000’falling to 1,500′ (up to 1″ of snow possible) high 42-44, There will be a (40%) chance of rain and snow showers at night snow level rising to 2,500′ low 28-30.There will be a (80%) chance of rain and snow showers  Monday morning then a (80%) chance of rain in the afternoon snow level rising to 3,500′ high in the low to mid 40s. Rain Monday night low 36. Rain Tuesday high 44. Rain will be likely (60%) Tuesday night through Wednesday night lows 35-38 highs 43-45. Cloudy with a (50-60%) chance of rain Thursday through Friday night highs mid to upper 40s lows near 40 . Rain will be likely (60%) Saturday high near 50.

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Forecast for the South Coast:  Showers likely (60%) today with a snow level of 2,000′ in the afternoon, tonight a (40%) chance of  showers, high 42-46 low near 33-36. Rain (60-80%) Monday through Saturday, it will be breezy Tuesday and Tuesday night, highs warming to the low to mid 50s lows in the low to mid 40s.

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For the Cascades: Today snow showers likely (60%), snow level 2,500′ . Snow and rain Monday through Tuesday the snow level rising from  3,000′-5,000′. Tuesday’s snow level will be 5,000′,’Tuesday night 4,500′, Wednesday through Saturday rain likely with snow levels staying well above the passes.