Cheyenne, Wyoming

Regional Weather Alerts


Alert: Winter Weather Advisory
Area(s): Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains
Effective: 2026-05-20 @ 1:55 pm -> 2026-05-21 @ 2:00 pm
Onset: 2026-05-21 @ 4:00 am -> 2026-05-21 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-05-20 @ 1:55 pm
Headline: Winter Weather Advisory issued May 20 at 12:55PM MDT until May 21 at 9:00PM MDT by NWS Billings MT
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.