High winds Sunday, combined with rain-saturated soil, could cause trees to topple.
Wind gusts as high as 65 mph will lash Seattle and the Puget Sound region by Sunday night, along with as much as a quarter-inch of rain.
High-wind warnings also have been issued for the entire Northwest coast from Neah Bay, Clallam County, to Crescent City, Calif., according to the National Weather Service.
At Grays Harbor, winds will shift from southeast to southwest, blowing directly toward the beaches at 45 mph, with 70 mph gusts.
Meanwhile inland, both the Cascade and Sierra Nevada mountain ranges are expected to get 1 to 3 feet of snow.
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The Seattle-area wind warning is expected to stretch from noon until 11 p.m. Sunday, with steady winds of 25 mph to 45 mph from the south, and gusts around 65 mph.
Steady rain is predicted for the daytime, with a high around 51, followed by lighter showers — and strengthening winds as evening arrives.
“It’s the kind of windstorm I would typically expect every other year,” said Andy Haner, a weather-service meteorologist.
And it follows the rainiest winter on record, with 24.6 inches that fell in December, January and February, according to Seattle Weather Blog. That moisture, plus rainfall most days in March, means that shallow-rooted or dying trees may blow down.
“The ground is saturated,” Haner said. “If you’ve been out pulling weeds already, you notice they pluck up very easily right now.”
Grays Harbor Public Utility District on the coast is warning customers in its wide territory to expect outages.