Jul 20, 2024
Three thunderstorms with heavy rainfall moved over the Trapper Creek drainage in short succession during Saturday afternoon, causing localized flash flooding near the confluence of Trapper Creek and Shell Creek. Culverts were plugged and at least one resident's driveway bridge was washed out. Boulders the size of wheelbarrows were moved onto agricultural land and damaged fences. A large number of rattlesnakes and cutthroat trout were washed onto fields in the area.
Source: NOAA National Weather Service Storm Events Database (event 1204379). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Big Horn County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.