Iowa, South Dakota Severe Thunderstorm Warning - Severe | Effective 05/24/2026 20:42

Headline: 
Severe Thunderstorm Warning issued May 24 at 10:42PM CDT until May 24 at 11:30PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 24, 2026 - 8:42pm
Expires: 
May 24, 2026 - 9:30pm
Description: 
SVRFSD The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Northwestern Lyon County in northwestern Iowa... Northeastern Lincoln County in southeastern South Dakota... * Until 1130 PM CDT. * At 1041 PM CDT, a severe thunderstorm was located over Lake Alvin State Recreation Area, or 7 miles north of Canton, moving east at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Larchwood around 1045 PM CDT. Lester around 1050 PM CDT. Alvord around 1100 PM CDT.
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: 
Lyon, IA; Lincoln, SD
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov