May 17, 2017
Two lines of severe thunderstorms moved across western Wisconsin during the afternoon and evening of May 17th. This was the third day in a row that severe weather impacted the area. The storms primarily produced damaging winds, but also dropped one tornado. An EF-1 tornado moved across southern Trempealeau County east of Galesville and damaged farm buildings and trees. Trees were blown down on houses and cars in Strum (Trempealeau County), winds were measured at 80 mph in Patch Grove (Grant Coun
Source: NOAA National Weather Service Storm Events Database (event 702295). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Trempealeau County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.