EF2 tornado in Macoupin County, Illinois

The tornado began on the west side of Gillespie, causing minor damage to an apartment complex on the southwest side of the intersection of Broadway Street and LJ Avenue. It blew out several windows on one of the apartment buildings. It then caused major damage to the north end of a brick gymnasium at Gillespie High School. The damage to the gymnasium was rated EF2. Then it proceeded to travel northeast, blowing the roof off of a house just northeast of the high school. Also, a large pine tree was snapped off at the base next to the house. The tornado continued to the northeast. There was extensive damage to trees and roofs along a west southwest to east northeast path through the town. The tornado destroyed a garage at the corner of Henry Street and Fulton Street. The tornado lifted and dissipated just north of the intersection of Harding Avenue and Illinois Route 16. The tornado path length was 1.5 miles with max path width of 150 yards. The damage was rated EF2 with max wind speeds of 115 MPH.

Storms developed along an outflow boundary that was laid out along the I-70 corridor. The storms produced wind damage, large hail as well as 9 tornadoes. Two of the tornadoes were rated EF3 as they moved through the St. Louis metro area.