Post-event hazard mitigation strategy : declared April 23, 2004 for Kankakee, LaSalle, Putnam and Will Counties in Illinois.

Severe weather and tornadoes passed through north central Illinois in the early evening of April 20, 2004. Tornadoes touched down in Grant Park, Hopkins Park and Kankakee in Kankakee County; Sheridan, Utica and Weldon in LaSalle County; Granville in Putnam County; and Joliet in Will County. The most severe impacts were to the Village of Utica, which was struck with an F-3 tornado.

USFA publications catalog.

"FA-102/June 2003."