According to the National Weather Service in Paducah, there is a Hazardous Weather outlook for the Tri-State today.

We could see possible heavy rain and Thunderstorms this afternoon and the heat index will make it feel like it is between 100-103 today! Use caution while working outside and make sure to have plenty of water available if you are outside.

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS ARE POSSIBLE TODAY AND EARLY THIS
EVENING...MAINLY ALONG AND NORTH OF THE INTERSTATE 64 CORRIDOR...
STRONG GUSTY WINDS...LIGHTNING...SMALL HAIL AND HEAVY RAIN COULD
ACCOMPANY ANY ISOLATED STRONGER STORMS.

HEAT INDICES FROM 100 TO 105 ARE LIKELY THIS AFTERNOON.