Sep 3, 1999
Very heavy rains from thunderstorms repeatedly going over the same area resulted in extensive flash flooding in a 30 to 40 mile wide band from Fort Pierre in southeast Stanley County to Hecla in northeast Brown County. Rainfall amounts in this corridor ranged from 3 to 7 inches. As a result, the communities of Blunt in Hughes County and Onida in Sully county were severely flooded. Most of the homes and businesses were flooded throughout Blunt and Onida causing severe damage. Only a few home
Source: NOAA National Weather Service Storm Events Database (event 5718704). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Edmunds County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.