Sep 18, 2025
Moderate to heavy rainfall occurred across a broad portion of Stanley and Dewey counties. The COOP observer 3 miles west southwest of Wendt would record a 2 day total of 4.94 while the CoCoRaHS observer in Fort Pierre received 4.06 over 3 days. This area had also received about an inch of rainfall on or around the 15th. Rainfall and saturated soils resulted in flooding of several streams and creeks, including the Bad River between Wendt and Fort Pierre, and Virgin Creek near Promise. Shelters we
Source: NOAA National Weather Service Storm Events Database (event 1292962). 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.