An Upper level High Pressure ridge, as you can see by the shaded area off the coast and the little arrows inside,  will keep our weather dry through Christmas day. The next cold front will change the weather back to wet over the weekend. If you’re looking for a white Christmas you’ll have to look somewhere else.

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Advisories: A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM FOR THE SOUTH CENTRAL AND SOUTHERN CASCADES OF OREGON 1-2″ OF NEW SNOW POSSIBLE.

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For the Southern Willamette Valley: Partly cloudy this afternoon with a good (50%) chance of showers high in the low 40s. Tonight will be partly cloudy with patchy fog late  low 27-29. AM fog then a mix of clouds and sun Wednesday, partly cloudy with patchy fog at night  high near 40 low 26-29. Patchy AM fog then a mix of clouds and sun Thursday and partly cloudy for Christmas eve high 43 low near 30. A mix of clouds and sun after AM fog for Christmas day and partly cloudy at night  highs in the mid 40s lows near 32-34. Mostly cloudy with a (20%) slight chance of rain Saturday through Sunday increasing to a (40%) chance Sunday night and Monday highs warming from  44 Saturday to the upper 40s by Monday lows 34-36.

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For the Umpqua Basin including Roseburg: Mostly cloudy today with a good (50% chance of rain and snow showers this afternoon snow level 2,000′ high 44, Mostly cloudy in the evening a slight (20%) chance of rain and snow showers then mostly cloudy at night  with some freezing fog late low 30.  Mostly cloudy with late night and early morning fog and freezing fog Wednesday through Christmas day  highs warming from the upper 30s to the low 40s lows near 30. Mostly cloudy with patchy fog Christmas night low 33.    Mostly cloudy Saturday through  Sunday night with patchy fog and a slight (20%) chance of rain and snow showers low in the mid 30s high near 40. Mostly cloudy Monday with a (30%) chance of rain high in low to mid 40s.

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Forecast for the South Coast: Mostly cloudy with  a good (50%) chance afternoon showers today snow level at 2,000′ high in the upper 40s, partly cloudy in the evening and mostly cloudy at night some freezing fog inland low 35. Mostly cloudy Wednesday morning the partly cloudy in the afternoon with patchy fog, AM freezing fog inland high 47, partly cloudy in the evening then mostly cloudy Wednesday night with areas of freezing fog low 37. Partly cloudy Thursday through Christmas day with late night and early morning fog and some freezing fog high in the low 50s low 36 . Mostly cloudy Christmas night with areas of fog low 38. Mostly cloudy with a (20-30%) chance of rain Saturday through Monday highs near 50 lows in the upper 30s to near 40.

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For the Cascades of Lane County: Partly cloudy this afternoon with a good (50%) chance of snow showers up to 2″ of snow with the snow level at the surface.  Partly cloudy a slight (20%) chance of snow showers overnight. A mix of clouds and sun free air freezing level rising to 4,500′ Wednesday. Partly cloudy Wednesday night free air freezing level 5,000′. A mix of clouds and sun Thursday freeze level 6,000′. Partly cloudy Thursday night freeze level at 5,500′. Christmas Day a mix of clouds and sun  and partly cloudy at night free air freezing level at 5,500′. Mostly cloudy Saturday through Sunday night with a slight (20%) chance of rain and snow, snow level 6,000′ Saturday, 4,500’at night, 3,500′ Sunday, and 4,000′ Sunday night. Mostly cloudy (40%) chance of rain and snow, snow level 4,000′ Monday.

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