Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

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Last Map Update: Wed, Mar 11, 2026 at 4:36:28 am PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Blizzard Warning

Winter Storm Warning

High Wind Warning

Flood Warning

Winter Weather Advisory

Wind Advisory

High Winds Expected Wed - Thurs

Heavy Mountain Snow Through Friday

Blowing Dust Wed Night - Thurs

Rising Rivers Friday through Sunday

Strong wind gusts are expected to develop Wednesday evening and persist into early Thursday morning. Wind gusts of 50 to 65 MPH are possible, which may lead to widespread tree damage and power outages. Other impacts include choppy lakes, difficult driving for high-profile vehicles, and the potential for blowing dust around the Moses Lake Area.

Heavy snow showers will impact mountain passes tonight through Friday. Stevens Pass could see up to 4 feet of snow, Snoqualmie Pass could see up to 6 feet of snow, and Lookout Pass could see up to 2.5 feet of snow. Please avoid travel if possible. If travel is necessary, keep an emergency supply kit in the vehicle.

Areas of blowing dust are possible due to high winds along I-90 through the Moses Lake area and central Columbia Basin. This will be most impactful Wednesday night through Thursday morning. Localized visibilities less than 0.25 miles are possible.

A few rivers in the Palouse and one in the east Slopes of the Cascades will experience bankfull or minor flooding conditions Friday, March 13 through Sunday, March 15. These rivers are: Stehekin River, Paradise Creek, and Palouse River. Impacts include minor flooding and swift currents. Please take precautions and follow all road signs regarding any flooded roads.