Portal:Tornadoes/Anniversaries/August 23

August 23
 * 1956 – Three tornadoes touched down in the Chicago area. An F2 tornado in Tinley Park injured three people and tore the roofs from 11 homes. Three others were injured by an F1 tornado in St. Charles and another F2 tornado hit Elgin.
 * 1968 – An unusual northwest-moving F3 tornado moved through Courtenay, North Dakota, damaging several homes, one of which was leveled, and tearing the roof from the school gymnasium. Three people were injured.