⚠️ Severe Thunderstorm Warning – Brule, SD; Charles Mix, SD; Gregory, SD – Tuesday, September 1, 2026

Severe Thunderstorm Warning issued September 1 at 4:06PM CDT until September 1 at 4:45PM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Northwestern Charles Mix County in south central South Dakota…
Northwestern Gregory County in south central South Dakota…
Southern Brule County in south central South Dakota…

* Until 445 PM CDT.

* At 405 PM CDT, a severe thunderstorm was located near Gregory, or
26 miles east of Winner, moving northeast at 40 mph.

HAZARD…Half dollar size hail.

SOURCE…Radar indicated.

IMPACT…Damage to vehicles is expected.

* This severe thunderstorm will be near…
Lake Francis Case around 420 PM CDT.

Instructions

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sioux Falls.

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