⚠️ Severe Thunderstorm Warning – Custer, SD; Pennington, SD – Monday, August 10, 2026

Severe Thunderstorm Warning issued August 10 at 4:49PM MDT until August 10 at 5:45PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

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

* Until 545 PM MDT.

* At 449 PM MDT, a severe thunderstorm was located over Silver City,
or 10 miles north of Hill City, moving east at 35 mph.

HAZARD…Ping pong ball size 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.

* This severe thunderstorm will be near…
Silver City and Mystic around 450 PM MDT.
Pactola Reservoir around 455 PM MDT.

This includes Interstate 90 in South Dakota between Mile Markers 55
and 74.

Instructions

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

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