Heat Advisory issued July 22 at 3:06AM CDT until July 24 at 8:00PM CDT by NWS

...HEAT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 8 PM CDT SUNDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of south central and southwest Illinois. Portions of central, east central, northeast, and southeast Missouri. * WHEN...From Noon today to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat