Extreme Heat Warning

* WHAT...Dangerously hot conditions with heat index values up to 115.

* WHERE...Champaign, Coles, Cumberland, Douglas, Crawford, Jasper, and Lawrence Counties.

* WHEN...Until 9 PM CDT this evening.

* IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* ADDITIONAL DETAILS...Thunderstorms could move into area late this afternoon or evening, cooling temperatures and heat indices.