South Dakota Severe Severe Thunderstorm Warning | Effective 06/27/2026 23:12

Headline: 
Severe Thunderstorm Warning issued June 28 at 1:12AM CDT until June 28 at 1:30AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 11:12pm
Expires: 
June 27, 2026 - 11:45pm
Description: 
At 111 AM CDT, severe thunderstorms were located along a line extending from 9 miles north of Burke to Bonesteel to 7 miles south of Naper, moving east at 35 mph. HAZARD...70 mph wind gusts and nickel size hail. SOURCE...Mesonet. At 100 AM CDT, a 60 mph wind gust was reported 1 mile east southeast of Dallas, SD. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Bonesteel around 115 AM CDT. Geddes around 135 AM CDT. Other locations impacted by these severe thunderstorms include Dixon In Gregory County, Fairfax, and western 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; Gregory, SD
Forcast Office: 
NWS Sioux Falls SD