South Dakota Severe Severe Thunderstorm Warning | Effective 06/28/2026 21:54

Headline: 
Severe Thunderstorm Warning issued June 28 at 10:54PM MDT until June 28 at 11:15PM MDT by NWS Rapid City SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 28, 2026 - 9:54pm
Expires: 
June 28, 2026 - 10:15pm
Description: 
At 1054 PM MDT, a severe thunderstorm was located over Delta 1 Launch Facility, or 17 miles southwest of Philip, moving north at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Cactus Flat, Minuteman Missile Visitors Center, Delta 1 Launch Facility and Cottonwood. This includes Interstate 90 in South Dakota between Mile Markers 120 and 135.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.
Area Description: 
Haakon, SD; Jackson, SD; Pennington, SD
Forcast Office: 
NWS Rapid City SD