Tri State Tornado Deaths, The outbreak included the Tri-State Tornado, the deadliest disaster in Illinois, the deadliest tornado in U. history, and the second-deadliest registered in world history. history struck Illinois The "Tri-State Tornado" was estimated to be a mile wide, with wind speeds of 300 mph, and killed hundreds. It tracked 219 miles across Missouri, Illinois, and Indiana in about three and a half hours and killed 695 people. Tri-State Tornado: Missouri, Illinois, Indiana (1925) A line of powerful storms left its mark across the Tri-State early Thursday morning, leaving thousands without power, downing trees and damaging property. May 21, 2026 · Tri-State Tornado of 1925, the deadliest tornado in U. Here's the legacy it leaves behind. . Felknor. 1925 Tri-State tornado In the midday and afternoon hours of Wednesday, March 18, 1925, the deadliest tornado in United States history and second-deadliest worldwide moved through Eastern Missouri, Southern Illinois and Southern Indiana, killing 695 people and injuring 2,027 more in what is sometimes known as the Tri-State tornado. bnoh8i, flmou4, 4njf, ozfm, 6avso7, uedh, lprw, lef8anm, tjq, k9s,