⚠️ Heat Advisory – Jefferson; Perry; Franklin; Hamilton; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid – Saturday, July 18, 2026

Heat Advisory issued July 18 at 8:17PM CDT until July 21 at 7:00PM CDT by NWS Paducah KY

Details

* WHAT…Heat index values between 100 to 105 expected.

* WHERE…Portions of southern Illinois, western Kentucky, and
southeast Missouri.

* WHEN…Until 7 PM CDT Tuesday.

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

* ADDITIONAL DETAILS…Higher humidity levels combined with hot
temperatures on Tuesday may cause heat index values to near 110
degrees.

Instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.