The Lower Ohio Valley tornado outbreak spawns 66 confirmed tornadoes in Illinois, Indiana, Kentucky, and Ohio, killing 12.
The June 1990 Lower Ohio Valley tornado outbreak spawned 66 tornadoes, including seven of F4 intensity, in southern Illinois, central and southern Indiana, southwestern Ohio, and northern Kentucky on June 2–3, 1990.
In Indiana, 37 tornadoes formed, breaking the single-day record of 21 set during the Super Outbreak on April 3, 1974.