Sun Jun 16 04:11:20 EDT 2024 Jefferson-Wayne IL-Edwards-Wabash-Perry IL-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 KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean- Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter- Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid- 311 AM CDT Sun Jun 16 2024 /411 AM EDT Sun Jun 16 2024/ This Hazardous Weather Outlook is for portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. .DAY ONE...Today and Tonight An Air Quality Alert for ozone has been issued for southwest Indiana today. Refer to the Air Quality Alert for details. Warm temperatures in the 90's along with increasing humidity will result in afternoon heat indices near or slightly above 100 degrees across the region today. .DAYS TWO THROUGH SEVEN...Monday through Saturday Afternoon heat indices could reach 100 degrees across the region again on Monday. Heat of day thunderstorm activity cannot be ruled out Monday through Wednesday. Gusty winds, heavy rain, and lightning will be the primary hazards should one occur. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.