⚠️ Severe Thunderstorm Warning – Bennett, SD; Jackson, SD; Mellette, SD – Tuesday, August 11, 2026

Severe Thunderstorm Warning issued August 11 at 9:38PM MDT until August 11 at 10:45PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
West Central Mellette County in south central South Dakota…
North Central Bennett County in southwestern South Dakota…
Central Jackson County in southwestern South Dakota…

* Until 1045 PM MDT /1145 PM CDT/.

* At 938 PM MDT /1038 PM CDT/, a severe thunderstorm was located 6
miles east of Cedar Pass, or 17 miles west of Kadoka, moving
southeast at 30 mph.

THIS IS A DESTRUCTIVE STORM FOR KADOKA, WANBLEE.

HAZARD…90 mph wind gusts and half dollar size hail.

SOURCE…Automated observations.

IMPACT…You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be heavily damaged or destroyed. Homes and businesses
will have substantial roof and window damage. Expect
extensive tree damage and power outages.

* Locations impacted include…
Kadoka, Wanblee, Long Valley, Interior, George Town, Hisle, Cactus
Flat, Cedar Pass, Intersection of Highway 73 and White River, Eagle
Nest Butte and northeastern Pine Ridge Reservation.

This includes Interstate 90 in South Dakota between Mile Markers 132
and 152.

Instructions

Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm has produced widespread destructive
winds and is capable of producing large hail.

This is a dangerous situation with winds expected to produce damage
similar to a tornado. Move to an interior room on the lowest floor of
a well-built structure. Mobile homes and high profile vehicles are at
an enhanced risk for damage.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.