Excessive Heat Watch issued August 18 at 2:51AM CDT until August 23 at 10:00PM CDT by NWS

...EXCESSIVE HEAT WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH WEDNESDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 111 possible. * WHERE...Portions of south central, southwest, and west central Illinois. Portions of central, east central, northeast, and