Apr 11, 2023
After a consistently cold early spring with below-average temperatures and frozen soils, a mild period of weather emerged during the second week of April. The deep snow cover, exemplified by Milbank's report of a 17-inch snow depth on April 1st, along with a snow water equivalent exceeding 4 inches, rapidly transitioned into liquid form. This substantial snowmelt flowed into the waterways, leading to flooding along the Whetstone River. The South Fork Whetstone River gauge recorded a peak just ab
Source: NOAA National Weather Service Storm Events Database (event 1092957). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Roberts County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.