Heat Advisory

* WHAT...Heat index values up to 101 expected.

* WHERE...McKean County.

* WHEN...From noon Wednesday to 8 PM EDT Thursday.

* 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 Friday, they should be a couple of degrees lower.