⚠️ Severe Thunderstorm Warning – Lawrence, SD; Meade, SD; Pennington, SD – Tuesday, August 18, 2026

Severe Thunderstorm Warning issued August 18 at 7:34PM MDT until August 18 at 8:15PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
Southeastern Lawrence County in west central South Dakota…
Southwestern Meade County in west central South Dakota…
Central Pennington County in west central South Dakota…

* Until 815 PM MDT.

* At 734 PM MDT, a severe thunderstorm was located over Nemo, or 14
miles northwest of Rapid City, moving southeast at 25 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…
Rapid City, western Rapid Valley, Ellsworth Air Force Base,
northwestern Box Elder, Black Hawk, Summerset, Nemo, Piedmont and
Dalton Lake.

This includes Interstate 90 in South Dakota between Mile Markers 44
and 64.

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 storm has a history or producing large damaging hail.

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