A tornado was confirmed by National Weather Service radar in Winnebago County, Wisconsin, near Northern Lake Winnebago on Monday, with damage reported in Appleton, Menasha, and Fox Crossing. Power outages affected more than 30,000 customers according to one source, while local officials reported no fatalities or injuries after initial assessments. The event involved downed tree limbs, collapsed buildings, and overturned vehicles based on police and executive statements.