< Winter Storm Warning Washington | Effective 03/11/2026 16:57

Winter Storm Warning Washington | Effective 03/11/2026 16:57

Headline: 
Winter Storm Warning issued March 11 at 4:57PM PDT until March 13 at 5:00AM PDT by NWS Portland OR
Event: 
Winter Storm Warning
Urgency: 
Expected
Effective: 
March 11, 2026 - 4:57pm
Expires: 
March 12, 2026 - 5:00am
Description: 
* WHAT...Heavy snow expected above 2500 ft. Total snow accumulations of 10 to 15 inches with up to 20 inches along the volcanos. Winds gusting as high as 35 mph, except up to 45 mph along the peaks. * WHERE...South Washington Cascades. * WHEN...Until 5 AM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Instruction: 
Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. If you are using a generator, be sure to keep it outdoors and away from windows and vents. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised.
Area Description: 
South Washington Cascades
Forcast Office: 
NWS Portland OR