Oct 5, 2013
Thunderstorms developed during the evening of October 4th ahead of warm front that was lifting north out of Iowa. These storms produced locally heavy rains that caused flash flooding to occur across portions of Mower, Fillmore, Winona and Houston Counties. Mud slides closed roads between Pickwick and the city of Winona (Winona County) and washed out a portion of a county road northwest of Lanesboro (Fillmore County). Almost 6 inches of rain fell in about a six hour period in Preston (Fillmore Co
Source: NOAA National Weather Service Storm Events Database (event 476124). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Winona County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.