On April 17, 2026, Wisconsin faced a significant severe weather outbreak, with the National Weather Service (NWS) confirming at least 13 tornadoes across the state. These tornadoes impacted various regions, including western Wisconsin's Trempealeau, Jackson, and Buffalo counties, which experienced three tornadoes. Marathon County was hit by two tornadoes, while southern and southeastern Wisconsin, encompassing Rock, Walworth, Racine, and Waukesha counties, endured eight tornadoes.