Heat Advisory issued August 03 at 4:12AM CDT until August 03 at 8:00PM CDT by NWS

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of south central, southwest, and west central Illinois. Portions of east central Missouri. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening.