Heat Advisory issued August 18 at 2:58AM CDT until August 18 at 8:00PM CDT by NWS Lincoln IL

* WHAT…Peak afternoon heat index values 100 to 105 degrees.

* WHERE…Portions of central, east central, southeast, and west
central Illinois.

* WHEN…Until 8 PM CDT this evening.

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