⚠️ Severe Thunderstorm Warning – Pennington, SD – Sunday, August 23, 2026

Severe Thunderstorm Warning issued August 23 at 2:20PM MDT until August 23 at 3:15PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
Western Pennington County in west central South Dakota…

* Until 315 PM MDT.

* At 220 PM MDT, a severe thunderstorm was located over Pactola
Reservoir, or 9 miles north of Hill City, moving southeast at 10
mph.

HAZARD…Half dollar size hail.

SOURCE…Radar indicated.

IMPACT…Damage to vehicles is expected.

* Locations impacted include…
Hill City, Johnson Siding, Hisega, Sheridan Lake, Pactola Reservoir
and Palmer Gulch Resort.

Instructions

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing large hail.

Very heavy rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

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