* WHAT...Heat index values of 100 to 104.
* WHERE...Portions of east central and southeast Indiana, northeast and northern Kentucky and central, south central, southwest and west central Ohio.
* WHEN...Until 8 PM EDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur.
* ADDITIONAL DETAILS...Consecutive days of high heat and humidity can be especially hazardous as warm overnight temperatures will provide little relief.