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

Severe Thunderstorm Warning issued August 11 at 10:29PM MDT until August 11 at 11:30PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
Mellette County in south central South Dakota…
Northwestern Todd County in south central South Dakota…
Northwestern Tripp County in south central South Dakota…
Northeastern Bennett County in southwestern South Dakota…
Southeastern Jackson County in southwestern South Dakota…

* Until 1130 PM MDT /1230 AM CDT/.

* At 1029 PM MDT /1129 PM CDT/, severe thunderstorms were located
along a line from near Intersection of Highway 83 and White River
to 7 miles southeast of Long Valley, or along a line from 11 miles
north of White River to 23 miles northeast of Martin, moving
southeast at 40 mph.

HAZARD…70 mph wind gusts and quarter 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…
Mission, White River, Rosebud, Saint Francis, Parmelee, Okreek,
Spring Creek, Long Valley, Norris, Wood, Cedar Butte, Mosher, Upper
Cut Meat, Horse Creek, Swift Bear, Soldier Creek, Ring Thunder,
Fairgrounds Housing, He Dog and Antelope.

This includes Interstate 90 in South Dakota between Mile Markers 170
and 174.

Instructions

Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. These storms are capable of producing
widespread damaging winds and large hail.

Continuous cloud to ground lightning is occurring with these storms.
Lightning is one of nature’s leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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