EF1 tornado in St. Clair County, Illinois

At approximately 10:30 PM, a tornado began near Scheve Park in Mascoutah. In Mascoutah the tornado caused roof damage to multiple residences as well as the local high school. Power poles and outbuildings were damaged as well. The most intense damage in town occurred near the intersection of Beechcraft Blvd and Fuesser Rd. The tornado continued northeast where it damaged a grain elevator and more farm outbuildings. The most significant damage in the county occurred near the Madison/Clinton County border where farm outbuildings were completely destroyed and residences sustained heavy roof and window damage. The tornado then crossed into Clinton County. In St. Clair County the tornado was rated EF-1 with a path length of 7.88 miles and a maximum path width of 700 yards.

During the late afternoon of March 14, 2025, numerous severe thunderstorms developed across central Missouri and tracked east. After sunset, these thunderstorms began producing tornadoes, some strong, across portions of Missouri and Illinois. In total, 13 tornadoes touched down in the CWA, making it one of the most active outbreaks on record for the St. Louis CWA. Six of these tornadoes occurred at least partially in St. Louis's Illinois counties.