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

Severe Thunderstorm Warning issued August 11 at 9:49PM 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…
Northwestern Mellette County in south central South Dakota…
Northeastern Jackson County in southwestern South Dakota…
Southeastern Haakon County in west central South Dakota…

* Until 1045 PM MDT /1145 PM CDT/.

* At 949 PM MDT /1049 PM CDT/, severe thunderstorms were located
along a line from 6 miles southeast of Ottumwa to over Kadoka, or
along a line from 24 miles northeast of Philip to over Kadoka,
moving southeast at 30 mph.

HAZARD…70 mph wind gusts and quarter size hail.

SOURCE…Automated observations.

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…
Philip, Kadoka, Midland, Belvidere, Ottumwa and Nowlin.

This includes Interstate 90 in South Dakota between Mile Markers 147
and 174.

Instructions

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

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