< Wyoming Freeze Warning | Effective 04/18/2026 02:13

Wyoming Freeze Warning | Effective 04/18/2026 02:13

Headline: 
Freeze Warning issued April 18 at 3:13AM MDT until April 18 at 9:00AM MDT by NWS Riverton WY
Event: 
Freeze Warning
Urgency: 
Expected
Effective: 
April 18, 2026 - 2:13am
Expires: 
April 18, 2026 - 8:00am
Description: 
* WHAT...Sub-freezing overnight temperatures in the upper teens to low 20s expected. * WHERE...Southeast Bighorn Basin and North Bighorn Basin. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing such as sprinkler systems.
Instruction: 
Take steps now to protect tender plants from the cold and winterize sprinkler systems.
Area Description: 
North Bighorn Basin; Southeast Bighorn Basin
Forcast Office: 
NWS Riverton WY