Jun 5, 2008
Very heavy rains of 3 to 7 inches caused extensive flooding throughout Dewey County. Many roads, bridges, dams, culverts, along with some buildings were damaged or destroyed by the flooding. One man, west of Promise, used a boat to get back and forth from his ranch. A federal disaster declaration was issued for Dewey County and the Cheyenne River Reservation.
Source: NOAA National Weather Service Storm Events Database (event 121024). 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.