Jun 23, 2023
A strong thunderstorm produced hail to penny size in Saint Onge and heavy rain across the northern foothills area. Runoff from the heavy rain caused significant flooding in Spearfish and across other portions of northern Lawrence County. Asphalt buckled and gravel washed off numerous roads from the flooding and damaged buildings.
Source: NOAA National Weather Service Storm Events Database (event 1103983). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Lawrence County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.