* WHAT...Peak heat index values of around 100 degrees expected,
especially on Saturday afternoon. Values will be a bit cooler but
still in the 90s today.
* WHERE...Portions of north central, northeast, and northwest Ohio
and northwest Pennsylvania.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses. The prolonged nature of the heat may increase heat
stress with time.