Excessive Heat Warning issued July 28 at 12:45PM CDT until July 29 at 9:00PM CDT by NWS

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 9 PM CDT SATURDAY... * WHAT...Dangerously hot conditions with heat index values up to 110. * WHERE...Portions of south central, southwest, and west central Illinois. Portions of east central, northeast, and southeast Missouri. * WHEN...Until 9 PM CDT Saturday.