South Dakota Severe Severe Thunderstorm Warning | Effective 06/27/2026 23:42

Headline: 
Severe Thunderstorm Warning issued June 28 at 1:42AM CDT until June 28 at 2:45AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 11:42pm
Expires: 
June 28, 2026 - 12:45am
Description: 
At 142 AM CDT, severe thunderstorms were located along a line extending from Platte to near Lake Andes to near Butte, moving east at 25 mph. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Mesonet. At 130 AM CDT, a 71 mph wind gust was reported by a personal weather station near Herrick, SD. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Lake Andes, Pickstown, Platte, Geddes, Ravinia, Marty, New Holland, Wagner, Harrison, Armour, Corsica, Dante and Delmont.
Instruction: 
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows.
Area Description: 
Charles Mix, SD; Douglas, SD; Gregory, SD
Forcast Office: 
NWS Sioux Falls SD