Heat Advisory issued June 24 at 2:59AM CDT until June 25 at 8:00PM CDT by NWS St Louis MO

* WHAT...Heat index values in excess of 105 degrees expected.

* WHERE...Portions of south central and southwest Illinois and
central, east central, and southeast Missouri.

* WHEN...From noon to 8 PM CDT Tuesday.

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