Washington Winter Weather Advisory | Effective 05/16/2026 18:15

Headline: 
Winter Weather Advisory issued May 16 at 6:15PM PDT until May 17 at 1:00AM PDT by NWS Seattle WA
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
May 16, 2026 - 6:15pm
Expires: 
May 17, 2026 - 1:00am
Description: 
* WHAT...Snow showers. Additional snow accumulations up to 3 inches above 4000 feet. * WHERE...Cascades of Pierce and Lewis Counties and Cascades of Southern King County. * WHEN...Until 1 AM PDT Sunday. * IMPACTS...Late season snow showers in the mountains may impact those enjoying outdoor recreation in the mountains above 4000 feet into tonight. Warm road temperatures may limit roadway accumulations. However, temporary road accumulations will be possible in heavy snow showers. * ADDITIONAL DETAILS...Snow showers will taper off later tonight into early Sunday.
Instruction: 
Slow down and use caution while traveling. Prepare for possible power outages.
Area Description: 
Cascades of Southern King County; Cascades of Pierce and Lewis Counties
Forcast Office: 
NWS Seattle WA
Sender: 
w-nws.webmaster@noaa.gov