South Dakota Severe Severe Thunderstorm Warning | Effective 06/27/2026 23:59

Headline: 
Severe Thunderstorm Warning issued June 28 at 1:59AM CDT until June 28 at 2:45AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 11:59pm
Expires: 
June 28, 2026 - 12:45am
Description: 
At 158 AM CDT, severe thunderstorms were located along a line extending from near Aurora Center to 6 miles southwest of Armour to near Pickstown, moving northeast at 40 mph. The greatest risk of large hail is in the southern portion of the line, near Pickstown and approaching Lake Andes. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Trained weather spotters. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Lake Andes, Pickstown, Wagner, Platte, Armour, Corsica, Marty, Bonesteel, Delmont, Geddes, Herrick, Dante, New Holland, Ravinia, Harrison, St. Charles, Fairfax, and Yankton Sioux Tribal Nation.
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