A winter storm is expected to bring high winds to Western Washington and whiteout conditions to the west slopes of the Cascades and passes.
Up to 2 inches of rain could fall in the lowlands and up to three feet of snow in the mountains, the National Weather Service says.
Winds of 30-45 mph, with gusts to 60 mph are possible. See Futurecast
Areas along the inland waters could see coastal flooding from tidal overflow, and areas along the coast could see flooding and dangerous surf conditions.
A high wind warning is in effect for Tacoma, Olympia, Chehalis/Centralia, the Hood Canal area, Strait of Juan de Fuca, San Juan County, and Western Skagit County.
The Ocean Shores/Westport areas could see wind gusts to 70 mph, which could be coupled with seas near 30 feet. Grays Harbor Emergency Management is preparing for possible dangerous conditions.
Puget Sound Energy is mobilizing for high winds, with line crews, damage assessors and tree crews ready.
Snow will pile up in the mountains. Total snow accumulations of 8 to 16 inches are expected with the first storm system by late Sunday morning.
A blizzard warning was issued for the Olympics and the west slopes of the central Cascades and passes from 6 pm Sunday to 6 pm Monday. That includes Snoqualmie Pass, Stevens Pass, White Pass and Paradise.
Whiteout conditions with significant blowing and drifting of snow can be expected early Monday through Monday afternoon, the National Weather Service says.
Winds of 40+ mph are possible Monday morning through the passes, creating very poor visibility due to blowing and drifting of snow.
An avalanche watch is also in effect for the Olympics and Cascades.