Mar 24, 2019
Much above normal snow pack melt water and ice jamming brought flooding on the the Grand, Moreau, and Bad rivers across Corson, Dewey, Jones, and Stanley counties at the end of March. The Grand River at Little Eagle rose to moderate flood stage, nearly 4 and half feet above the flood stage of 15 feet. The Moreau River near Whitehorse rose to major flood stage, almost 28 feet or 7 feet above flood stage. The Bad River near Fort Pierre rose just above the flood stage of 21 feet to 21.2 feet. The B
Source: NOAA National Weather Service Storm Events Database (event 813843). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Dewey County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.