Cheyenne, Wyoming

Regional Weather Alerts


Alert: Winter Weather Advisory
Area(s): Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains
Effective: 2026-05-21 @ 2:15 am -> 2026-05-21 @ 10:00 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 2026-05-21 @ 2:15 am
Headline: Winter Weather Advisory issued May 21 at 1:15AM MDT until May 21 at 9:00PM MDT by NWS Billings MT
Description: * WHAT...Snow expected. Total snow accumulations 5 to 10 inches.
North winds gusting as high as 30 mph.

* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
Northeast Bighorn Mountains.

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...Expect wintry travel conditions on US-14 through Burgess
Junction. Recreation in the high country will be impacted by heavy
accumulating snow.