Headline:
Freeze Warning issued May 20 at 12:56AM MDT until May 20 at 10:00AM MDT by NWS Cheyenne WY
Event:
Freeze Warning
Urgency:
Expected
Effective:
May 19, 2026 - 11:56pm
Expires:
May 20, 2026 - 9:00am
Description:
* WHAT...Sub-freezing temperatures as low as 16 degrees.
* WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains,
North Snowy Range Foothills, Shirley Basin, Southwest Carbon
County, Upper North Platte River Basin, and South Laramie Range.
* WHEN...Until 10 AM MDT this morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instruction:
Take steps now to protect tender plants from the cold.
Area Description:
Ferris/Seminoe/Shirley Mountains; Shirley Basin; Central Carbon County; North Snowy Range Foothills; Southwest Carbon County; Upper North Platte River Basin; South Laramie Range
Forcast Office:
NWS Cheyenne WY