Montana, Wyoming Winter Weather Advisory | Effective 05/20/2026 11:55

Headline: 
Winter Weather Advisory issued May 20 at 12:55PM MDT until May 21 at 9:00PM MDT by NWS Billings MT
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
May 20, 2026 - 11:55am
Expires: 
May 21, 2026 - 12:00pm
Description: 
* WHAT...Snow expected. Total snow accumulations 5 to 10 inches. Winds gusting as high as 30 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 3 AM to 9 PM MDT Thursday. * IMPACTS...Travel could be difficult. The hazardous conditions will impact the Thursday morning and evening commutes. Roads, including US-14, will likely become slippery and hazardous.
Instruction: 
Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.
Area Description: 
Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains
Forcast Office: 
NWS Billings MT