Belvidere, Lake Zurich, and Oak Lawn, IL F4 Tornadoes (1967)

Belvidere Tornado Memorial via Boone County Journal

An outbreak of tornadoes occurred on April 21, 1967 across parts of the Midwest states. Per The Storm Prediction Center, there were 46 tornadoes. 5 were given a rating of F4: 1 in MO, 1 in MI and 3 in IL. This summary will focus on the 3 Illinois F4s. It is considered Northern Illinois’ Worst Tornado Disaster.

Detailed Summary