South Dakota, , Wyoming Freeze Warning | Effective 05/18/2026 10:49

Headline: 
Freeze Warning issued May 18 at 11:49AM MDT until May 19 at 9:00AM MDT by NWS Rapid City SD
Event: 
Freeze Warning
Urgency: 
Expected
Effective: 
May 18, 2026 - 10:49am
Expires: 
May 19, 2026 - 2:00am
Description: 
* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of northwestern and southwestern South Dakota and northeast Wyoming. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * 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: 
Harding; Northern Perkins; Butte; Northern Meade Co Plains; Ziebach; Northern Foothills; Rapid City; Southern Foothills; Custer Co Plains; Pennington Co Plains; Haakon; Western Fall River; Northern Oglala Lakota; Northern Jackson; Bennett; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills; Eastern Fall River; Southern Oglala Lakota; Southern Jackson; Southern Perkins; Northern Campbell; Southern Campbell; Western Crook; Weston County Plains; Newcastle; Northeastern Crook
Forcast Office: 
NWS Rapid City SD