Oregon, Washington Winter Weather Advisory | Effective 05/15/2026 21:38

Headline: 
Winter Weather Advisory issued May 15 at 9:38PM PDT until May 16 at 11:00PM PDT by NWS Pendleton OR
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
May 15, 2026 - 9:38pm
Expires: 
May 16, 2026 - 8:00am
Description: 
* WHAT...Snow expected above 4500 feet. Total snow accumulations between 4 to 8 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, East Slopes of the Oregon Cascades. In Washington, Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 11 PM PDT Saturday. * IMPACTS...Plan on slippery road conditions, especially on bridges and overpasses.
Instruction: 
Slow down and use caution while traveling. In Oregon, the latest road conditions can be obtained by visiting tripcheck.com online, or by calling 5 1 1. In Washington, the latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel.
Area Description: 
East Slopes of the Oregon Cascades; Upper Slopes of the Eastern Washington Cascades Crest
Forcast Office: 
NWS Pendleton OR