May 11, 2017
Strong to severe slow moving thunderstorms moved northerly across Northwest Kansas. Large hail up to golf ball size was reported across Northwest Kansas, with the largest stone reported north of Winona. The slow moving storms produced wide spread heavy across Northwest Kansas. The prolonged rainfall caused the Smokey River in far western Logan County to flood several county roads. Flooding also occurred south of Edson in Sherman county where small streams at the headwaters of the South Fork
Source: NOAA National Weather Service Storm Events Database (event 697381). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Sherman County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.