Heat Advisory issued July 08 at 3:05AM CDT until July 08 at 8:00PM CDT by NWS

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 108 expected. * WHERE...In Missouri, Osage MO, Franklin MO, Gasconade MO, Jefferson MO, Saint Louis City MO and Saint Louis MO Counties. In Illinois, Monroe IL and Saint Clair Counties.