May 28, 2018
Severe thunderstorms developed over portions of central and southern Wyoming. In Sweetwater County, a tornado formed near Granger. The tornado was photographed by many people. The tornado remained over open country and caused no damage. In addition, flash flooding was reported over rural portions of Sweetwater County. In Fremont County, another tornado briefly touched down southeast of South Pass.
Source: NOAA National Weather Service Storm Events Database (event 754011). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Sweetwater County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.