| Event | Severe Thunderstorm Warning |
| Severity | Severe |
| Urgency | Immediate |
| Certainty | Observed |
| Area | Bennett, SD; Todd, SD |
| Effective | 8/17/2026, 8:10:00 PM CDT |
| Expires | 8/17/2026, 9:15:00 PM CDT |
Severe Thunderstorm Warning issued August 17 at 7:10PM MDT until August 17 at 8:15PM MDT by NWS Rapid City SD
Details
SVRUNR
The National Weather Service in Rapid City has issued a
* Severe Thunderstorm Warning for…
Southwestern Todd County in south central South Dakota…
Eastern Bennett County in southwestern South Dakota…
* Until 815 PM MDT /915 PM CDT/.
* At 710 PM MDT /810 PM CDT/, a severe thunderstorm was located over
Lacreek Wildlife Refuge, or 8 miles southeast of Martin, moving
southeast at 35 mph.
HAZARD…70 mph wind gusts and half dollar size hail.
SOURCE…Radar indicated.
IMPACT…Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* Locations impacted include…
Martin, Spring Creek, Tuthill, Vetal, Harrington, Sunrise Housing,
Lacreek Wildlife Refuge, southwestern Rosebud Reservation and
southeastern Pine Ridge Reservation.
Instructions
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
widespread damaging winds and large hail.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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