< Winter Storm Warning Washington | Effective 03/12/2026 22:42

Winter Storm Warning Washington | Effective 03/12/2026 22:42

Headline: 
Winter Storm Warning issued March 12 at 10:42PM PDT until March 13 at 5:00AM PDT by NWS Portland OR
Event: 
Winter Storm Warning
Urgency: 
Expected
Effective: 
March 12, 2026 - 10:42pm
Expires: 
March 13, 2026 - 5:00am
Description: 
* WHAT...Heavy snow expected above 3000 to 3500ft. Additional snow accumulations up to 4 to 6 inches with locally higher amounts possible along the crests. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades. * WHEN...Until 5 AM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will continue to rise above 5000 ft through early Friday morning.
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