Jun 21, 2024
A multi-day significant heavy rainfall event from June 20-22 resulted in widespread rain totals between 5 and 10 inches with pockets in excess of 15 inches across portions of southeast South Dakota, northwest Iowa, and southwest Minnesota. As rainfall reached area streams and rivers, major to record flooding was observed, devastating several towns and communities. Extensive overland flooding also resulted in significant impacts and damages. All river crest information is preliminary until made o
Source: NOAA National Weather Service Storm Events Database (event 1182265). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Hanson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.