Iowa Severe Thunderstorm Warning | Effective 05/18/2026 15:48

Headline: 
Severe Thunderstorm Warning issued May 18 at 5:48PM CDT until May 18 at 6:30PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 3:48pm
Expires: 
May 18, 2026 - 4:30pm
Description: 
SVRFSD The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Northeastern Cherokee County in northwestern Iowa... Northwestern Buena Vista County in northwestern Iowa... Southern Clay County in northwestern Iowa... Southeastern O'Brien County in northwestern Iowa... * Until 630 PM CDT. * At 548 PM CDT, a severe thunderstorm was located near Quimby, or near Cherokee, moving northeast at 45 mph. HAZARD...Golf 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. * This severe thunderstorm will be near... Cherokee, Aurelia, and Larrabee around 555 PM CDT. Peterson around 605 PM CDT. Other locations in the path of this severe thunderstorm include Sutherland, Linn Grove and Royal.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Buena Vista, IA; Cherokee, IA; Clay, IA; O'Brien, IA
Forcast Office: 
NWS Sioux Falls SD