South Dakota Severe Thunderstorm Warning - Severe | Effective 05/24/2026 20:18

Headline: 
Severe Thunderstorm Warning issued May 24 at 10:18PM CDT until May 24 at 10:45PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 24, 2026 - 8:18pm
Expires: 
May 24, 2026 - 8:45pm
Description: 
At 1017 PM CDT, a severe thunderstorm was located over Canistota, or near Lake Vermillion State Recreation Area, moving east at 15 mph. HAZARD...Ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. Locations impacted include... Lake Vermillion State Recreation Area.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. To report severe weather contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Sioux Falls.
Area Description: 
McCook, SD
Forcast Office: 
NWS Sioux Falls SD