⚠️ Severe Thunderstorm Warning – Bennett, SD; Jackson, SD; Oglala Lakota, SD – Monday, August 17, 2026

Severe Thunderstorm Warning issued August 17 at 6:29PM MDT until August 17 at 7:30PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
Bennett County in southwestern South Dakota…
Southwestern Jackson County in southwestern South Dakota…
East Central Oglala Lakota County in southwestern South Dakota…

* Until 730 PM MDT.

* At 629 PM MDT, a severe thunderstorm was located near Yellow Bear
Canyon, or 23 miles northwest of Martin, moving southeast at 25
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.

* This severe thunderstorm will be near…
Yellow Bear Canyon around 645 PM MDT.
Allen around 655 PM MDT.

Other locations impacted by the severe thunderstorm include 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.

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