⚠️ Severe Thunderstorm Warning – Fall River, SD; Oglala Lakota, SD – Friday, August 21, 2026

Severe Thunderstorm Warning issued August 21 at 4:03PM MDT until August 21 at 5:00PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
Southeastern Fall River County in southwestern South Dakota…
Southwestern Oglala Lakota County in southwestern South Dakota…

* Until 500 PM MDT.

* At 403 PM MDT, a severe thunderstorm was located over Smithwick, or
17 miles southeast of Hot Springs, moving southeast at 25 mph.

HAZARD…Two inch hail and 60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.

* Locations impacted include…
Oelrichs, Smithwick, Prairie Winds Casino, Hay Canyon Butte and
Slim Butte.

Instructions

Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.

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