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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 20-35 mph, with gusts to 55 mph are possible in the Seattle-Tacoma-Everett area. See Futurecast

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.

Puget Sound Energy is mobilizing for high winds, with 83 crews ready to respond. PSE asks that outages be reported by calling 1-888-255-5773.

Seattle City Light encouraged people to prepare for power outages. If outages do occur, call (206) 684-7400 to report them and visit www.seattle.gov/light/sysstat or their mobile site http://m.seattle.gov/light for outage information. Additional preparedness tips are available at www.takewinterbystorm.org .

Crews are dispatched to the SR 520 floating bridge when sustained winds reach 40 miles per hour for one minute, which may happen in this storm.

We don t typically close the bridge to drivers unless sustained winds reach 50 miles per hour for 15 minutes or more, which the forecast doesn t show at this time, said Archie Allen, WSDOT bridge superintendent.

The Washington State Patrol or WSDOT maintenance crews may close the SR 520 bridge if waves are too high or water on the bridge presents a driving hazard.

During the storm, 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.

Areas along the inland waters could see coastal flooding from tidal overflow, and areas along the coast could see flooding and dangerous surf conditions.

Snow will pile up in the mountains. Eastbound I-90 was closed at Snoqualmie Pass Sunday evening because of weather conditions.

Snowfall totals of 1 to 3 feet is likely by Monday night, and the snow level will stay below all the passes, said KING 5 Meteorogist Jim Guy.

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.

On Tuesday, cold air moving in behind the storm will drop the snow level down to near sea level during the day, said Guy. That means a rain/snow mix, or just plan snow showers.

We'll have to watch for a convergence zone to form early Tuesday morning north of Seattle. That could mean snow accumulations, said Guy.

Check the latest traffic conditions anytime with the Seattle Traffic App and weather with the Seattle Weather App.

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