⚠️ Extreme Heat Warning – Jefferson; Wayne; Edwards; Wabash; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid – Wednesday, August 12, 2026

Extreme Heat Warning issued August 12 at 1:11PM CDT until August 16 at 8:00PM CDT by NWS Paducah KY

Details

* WHAT…For the Heat Advisory, heat index values up to 107. For the
Extreme Heat Warning, dangerously hot conditions with heat index
values up to 110 expected.

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

* WHEN…For the Heat Advisory, until 11 AM CDT /noon EDT/ Thursday.
For the Extreme Heat Warning, from 11 AM CDT /noon EDT/ Thursday to
8 PM CDT /9 PM EDT/ Sunday.

* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events.

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.