Jun 3, 2024
Thunderstorms that produced heavy rainfall with between 2 to 4 inches of moisture on June 2nd were responsible for the flooding along tributaries and portions of the main stem of the Big Sioux river. Between June 3rd through June 6th the Big Sioux near Castlewood was in flood, with a peak of 10.34 feet at 9pm CST on June 4th, which mainly impacted agricultural land and low lying areas, although flooding did impact portions of 184th street. The Big Sioux river near Florence crested at 8.02 feet o
Source: NOAA National Weather Service Storm Events Database (event 1190794). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Hamlin County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.