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.

__________________

Advisories: A FREEZE WATCH IS IN EFFECT FOR THE SOUTH OREGON COAST FROM THIS EVENING THROUGH THURSDAY MORNING.

__________________

For the Southern Willamette Valley: First of all remember when there is fog and the temperature is below freezing freezing fog will occur producing some slippery spots on the roads. AM fog dense in some areas, then a mix of clouds and sun today, 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 Christmas eve more patchy fog, high 43 low near 30. Mostly cloudy with AM fog for Christmas day and partly cloudy at night  highs in the mid 40s lows near 32-34. AM fog, mostly cloudy Saturday high 44.  Mostly cloudy Saturday night with a slight (20%) chance of rain low 45. Sunday mostly cloudy high 46. Sunday night through Tuesday  mostly cloudy with a (40%) chance of rain lows 34-37 and highs staying in the mid 40s.

__________________

For the Umpqua Basin including Roseburg: Early morning fog and freezing fog today and some lingering afternoon fog with more freezing fog at night high near 40 low near 30. Thursday through Christmas day  partly cloudy with areas of freezing fog and some lingering afternoon fog highs in the upper 40s low near 30. Becoming mostly cloudy Christmas night through Saturday with areas of fog low in the mid 30s highs in the mid 40s. Mostly cloudy Saturday night with patchy fog and a slight (20%) chance of rain with more fog low in the mid 30s. Mostly cloudy Sunday through Tuesday with late night and early morning fog and a slight (20%) chance of rain and snow in the morning and rain in the afternoon and evening (40%) chance with rain and snow returning late at night (30% chance) high near 40.

__________________

Forecast for the South Coast: Partly cloudy today at the shore and afternoon fog inland high 47-50, partly cloudy in the evening then partly cloudy tonight with areas of freezing fog low near freezing. Partly cloudy Thursday through Christmas day with late night and early morning fog and some freezing fog high in the low 50s low in the low 30s. Mostly cloudy Christmas night with areas of fog low 38. Mostly cloudy with a (20% through Sunday -40% Sunday night and Monday). Monday night and Tuesday (40%) chance of rain  highs in the low 50s lows in the low 40s.

________________

For the Cascades of Lane County: A mix of clouds and sun free air freezing level rising to 5,000? today. Partly cloudy tonight free air freezing level 5,000?. Mostly sunny Thursday freeze level 6,000?. Mostly clear Thursday night freeze level at 5,500?. Christmas Day mostly sunny free air freezing level rising to 8,000?, partly cloudy at night free air freezing level at 8,000?. A mix of clouds and sun Saturday free air freezing level holding at 8,000?. Mostly cloudy a slight (20%) chance of rain and snow Saturday night and Sunday snow level  3,500? to 4,500?. Mostly cloudy with a (40%-50%) chance of rain and snow Sunday night through Tuesday , snow level falling to 3,500? by Tuesday.

_________________

Here’s my weekly weather quiz question again. Why can the mercury never drop below -40 degrees F? Please place your question as a comment on this page. The first person to answer correctly wins one week of free personalized forecasts tailored to your needs.