Iowa Severe Thunderstorm Warning | Effective 05/15/2026 17:57

Headline: 
Severe Thunderstorm Warning issued May 15 at 7:57PM CDT until May 15 at 8:30PM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 15, 2026 - 5:57pm
Expires: 
May 15, 2026 - 6:30pm
Description: 
At 756 PM CDT, a severe thunderstorm was located near Corwith, or 16 miles west of Garner, moving northeast at 40 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Britt, Eagle Lake, Wesley, Corwith, Crystal Lake, Duncan, Hayfield, Hutchins, and Eagle Lake State Park.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Hancock, IA; Kossuth, IA; Winnebago, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov