Heat Advisory issued August 30 at 3:05AM CDT until August 30 at 6:00PM CDT by NWS St Louis MO

* WHAT...Heat index values up to 105.

* WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL
Counties. In Missouri, Franklin MO, Jefferson MO, Saint Charles
MO, Saint Louis City MO, and Saint Louis MO Counties.

* WHEN...Until 6 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.