Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Mar 13, 2026 at 4:54:10 am PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

Zoom Out

Winter Storm Warning

Avalanche Warning

Flood Warning

Winter Weather Advisory

Flood Watch

Hydrologic Outlook

Lowland Snow

Heavy Mountain Snow Through Friday

Rising Rivers Friday through Sunday

Avalanche Warning

Snow levels will fall back down Thursday night. Snow amounts carry high uncertainty for the lower elevations of the Palouse, Upper Columbia Basin, and Spokane-Cd'A Areas.

Heavy snow showers will impact mountain passes tonight through Friday. Stevens Pass could see up to 3 feet of snow, Snoqualmie Pass could see up to 3 feet of snow, and Lookout Pass could see up to 2 feet of snow. Please avoid travel if possible. If travel is necessary, keep an emergency supply kit in the vehicle.

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.

Avalanche Warning through 7 AM PDT Friday, March 13th, 2026. New snow has formed dangerous slabs of snow and will likely cause a widespread cycle of natural avalanches large enough to bury, injure, or kill a person. It will be very easy for backcountry travelers to trigger them during this period. Travel in avalanche terrain is not recommended during this period. More info at: https://www.idahopanhandleavalanche.org/ or https://avalanche.org/