* WHAT...Dangerously hot conditions with heat index values up to 105 degrees in the afternoon.
* WHERE...In Illinois, Livingston, Ford, Iroquois, and Kankakee Counties. In Indiana, Benton, Jasper, and Newton Counties.
* WHEN...Until 7 PM CDT /8 PM EDT/ this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.