Nebraska, Wyoming Freeze Warning | Effective 05/18/2026 23:42

Headline: 
Freeze Warning issued May 19 at 12:42AM MDT until May 19 at 10:00AM MDT by NWS Cheyenne WY
Event: 
Freeze Warning
Urgency: 
Expected
Effective: 
May 18, 2026 - 11:42pm
Expires: 
May 19, 2026 - 9:00am
Description: 
* WHAT...Sub-freezing temperatures as low as 24 degrees. * WHERE...In Nebraska, Northern Sioux County, Scotts Bluff County, and Southern Sioux County. In Wyoming, Niobrara County, Central Laramie County, Central Laramie Range and Southwest Platte County, East Laramie County, East Platte County, Goshen County, and South Laramie Range Foothills. * 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: 
Scotts Bluff; North Sioux; South Sioux; Niobrara County; Central Laramie Range and Southwest Platte County; East Platte County; Goshen County; South Laramie Range Foothills; Central Laramie County; East Laramie County
Forcast Office: 
NWS Cheyenne WY