South Dakota Severe Thunderstorm Warning - Severe | Effective 06/04/2026 21:21

Headline: 
Severe Thunderstorm Warning issued June 4 at 11:21PM CDT until June 5 at 12:00AM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 4, 2026 - 9:21pm
Expires: 
June 4, 2026 - 10:00pm
Description: 
At 1121 PM CDT, severe thunderstorms were located along a line extending from near Tailrace Rec Area to Lake Francis Case to near Iona, moving east at 40 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Chamberlain, Lake Francis Case and Kimball.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows. 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: 
Brule, SD
Forcast Office: 
NWS Sioux Falls SD