Jun 12, 2022
A trailing supercell thunderstorm tracked across northeastern Wyoming and across the northern Black Hills and west central South Dakota. This storm brought large hail to the Spearfish, Lead, Deadwood, and Sturgis areas, as well as portions of the southern Meade County plains into south central South Dakota. Heavy rain resulted in flash flooding across portions of northeastern Pennington and Haakon Counties.
Source: NOAA National Weather Service Storm Events Database (event 1036256). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Pennington County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.