Active weather across the United States this week, with ongoing atmospheric river causing heavy rainfall over the Pacific Northwest, a winter storm currently moving across the central Appalachians into the Mid-Atlantic, and several Alberta Clipper systems expected to bring several rounds of snow across the northern Plains, Midwest, and Northeast. | NOAA NWS Weather Prediction Center

10:00 AM Radar Update: Light to moderate precipitation continues to fall across western WA. Expect rain rates to increase this morning through tonight with rates approaching 0.25-0.50"/hr (especially in the Cascades/Olympics). Use caution for ponding on roads. #wawx | US National Weather Service Seattle Washington

An impactful snow accumulation is likely for some Thursday night. The NWS has now issued a Winter Weather Advisory for parts of the area. Live analysis of accumulation potential right now... | WDRB News