Excessive Heat Warning issued August 23 at 3:20PM CDT until August 25 at 10:00PM CDT by NWS

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT FRIDAY... * WHAT...Dangerously hot conditions with heat index values of 105 to 115, possibly reaching 120 degrees in some locations. * WHERE...Portions of south central, southwest, and west central Illinois. Portions of central, east central, northeast, and southeast Missouri.