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

Severe Thunderstorm Warning issued August 23 at 3:06PM MDT until August 23 at 4:00PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
Northeastern Custer County in southwestern South Dakota…
South Central Pennington County in west central South Dakota…

* Until 400 PM MDT.

* At 306 PM MDT, a severe thunderstorm was located over Hayward, or
12 miles southeast of Hill City, moving southeast at 20 mph.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

* Locations impacted include…
Hermosa, Fairburn, Hayward, State Game Lodge, Buffalo Corrals,
Custer State Park, Black Hills Playhouse, Center Lake, Legion Lake,
Mount Coolidge, Blue Bell, Mount Rushmore National Memorial and
northeastern Wind Cave National Park.

Instructions

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