Iowa Severe Thunderstorm Warning | Effective 05/15/2026 17:45

Headline: 
Severe Thunderstorm Warning issued May 15 at 7:45PM CDT until May 15 at 8:00PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 15, 2026 - 5:45pm
Expires: 
May 15, 2026 - 6:00pm
Description: 
At 745 PM CDT, severe thunderstorms were located along a line extending from near Silver Lake to Rush Lake to near Laurens, moving east 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. These severe storms will be near... Lost Island Lake around 750 PM CDT.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. These storms are producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows. 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: 
Buena Vista, IA; Clay, IA
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov