Heat Advisory issued August 02 at 3:35AM CDT until August 03 at 8:00PM CDT by NWS

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT WEDNESDAY... * WHAT...Heat index values up to 109. * WHERE...Portions of south central and southwest Illinois. Portions of central, east central, northeast, and southeast Missouri. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat