The racetrack was in operation from 1945 to 2016.
The tornado that passed through Crete on Saturday was an EF0 with winds of 70 miles per hour. A second twister with peak winds of 75 miles per hour roared through Dyer and Schererville.
Tornado sirens blared in Chicago and many suburbs on Saturday as the entire area was slammed with heavy rains and flash floods.
Former Down Syndrome Association of Northwest Indiana President Bill Buckley and former Executive Director Dawn Buckley have been charged with fraud of a financial institution and theft for allegedly stealing $100,000 from the group, the organization said.
Michael J. Tunstall, 26, is charged with one count of murder and one count of aggravated battery, both felonies.