Illinois, Indiana, Kentucky, Missouri Severe Extreme Heat Warning | Effective 06/28/2026 09:28

Headline: 
Extreme Heat Warning issued June 28 at 11:28AM CDT until July 2 at 8:00PM CDT by NWS Paducah KY
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 28, 2026 - 9:28am
Expires: 
June 29, 2026 - 2:00am
Description: 
* WHAT...For the Heat Advisory, heat index values up to 105 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values of 105 to 110 expected. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, until 8 PM CDT /9 PM EDT/ this evening. For the Extreme Heat Warning, from 11 AM CDT /noon EDT/ Monday to 8 PM CDT /9 PM EDT/ Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...An extended duration heatwave will impact the region through at least Thursday. Overnight lows will only fall into the mid 70s, providing little relief.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Jefferson; Wayne; Edwards; Wabash; Perry; 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
Forcast Office: 
NWS Paducah KY