* WHAT...Heat index values up to 102 expected.
* WHERE...A portion of central Pennsylvania.
* WHEN...From noon today to 8 PM EDT Friday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...High temperatures will be well into the 90s. Heat index values will be even higher. While temperatures will remain hot on Saturday, they should be a couple of degrees lower.