South Dakota Severe Severe Thunderstorm Warning | Effective 07/04/2026 16:57

Headline: 
Severe Thunderstorm Warning issued July 4 at 6:57PM CDT until July 4 at 7:30PM CDT by NWS Aberdeen SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 4, 2026 - 4:57pm
Expires: 
July 4, 2026 - 5:30pm
Description: 
At 657 PM CDT, a severe thunderstorm was located over Oacoma, moving southeast at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Trained spotters reported. At 637 PM, 1.25 inch hail was reported 3 miles northeast of Oacoma. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will be near... Oacoma and Dude Ranch around 705 PM CDT.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and has produced large hail.
Area Description: 
Lyman, SD
Forcast Office: 
NWS Aberdeen SD