* WHAT...Peak heat index values ranging from the upper 90s to lower 100s Tuesday and Wednesday afternoons. Overnight lows in the low to mid 70s will provide for limited nighttime relief from the heat.
* WHERE...Portions of north central, northeast, and northwest Ohio.
* WHEN...From 2 PM Tuesday to 8 PM EDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Hot and humid conditions will continue on Thursday, and portions of the Heat Advisory may need to be extended.