A mostly dry day around the Pacific NW– a bit rare for December, one of our wettest months of the year. We have what’s known as a “dirty” ridge of high pressure hanging off the Oregon coast. If it were further north, we would likely see sunnier skies and a much colder morning. With a dirty ridge clouds (and sometimes rain) flow over the top of the ridge. Those clouds and limited clear spots in the cloud deck is what we’re expecting today along with some drizzle and flurries in the Cascades and Olympic Mountains.
Normal high temps today would be about 46 degrees, and we’ll be about there for everywhere west of the Cascades. East of the Cascades more clearing skies, especially the further east you travel, but chilly high temperatures at only 35-45.
More rain returns tomorrow, though. With an arrival time, at this point, around noon for Seattle. Expect snow levels to lower from about 4500 feet today to about 1,500 feet Tuesday night. I expect we’ll see a bit of a break for both the lowlands of the Puget Sound and the mountains for Wednesday afternoon and Thursday. More rain looks likely for Friday.
Again, lower snow lines for Friday night to about 1,500-2,000 feet, so all rain for the lower elevations. And a lot of rain looks likely for both Saturday and Sunday at this point that will translate to a lot more Cascade snow. Great news for skiers and snowboarders but not the best news for travelers.