Heat Advisory issued July 14 at 3:18AM CDT until July 15 at 8:00PM CDT by NWS St Louis MO

* WHAT...Heat index values up to 109 expected.

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

* WHEN...From 1 PM this afternoon to 8 PM CDT Monday.

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