< Wyoming Freeze Warning | Effective 05/19/2026 08:35

Wyoming Freeze Warning | Effective 05/19/2026 08:35

Headline: 
Freeze Warning issued May 19 at 9:35AM MDT until May 20 at 8:00AM MDT by NWS Riverton WY
Event: 
Freeze Warning
Urgency: 
Expected
Effective: 
May 19, 2026 - 8:35am
Expires: 
May 20, 2026 - 7:00am
Description: 
* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 9 PM this evening to 8 AM MDT Wednesday. * 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: 
Southwest Bighorn Basin; Southeast Bighorn Basin
Forcast Office: 
NWS Riverton WY