* WHAT...For the first Heat Advisory, heat index values up to 104 expected. For the second Heat Advisory, heat index values up to 104 expected.
* WHERE...In Maryland, Extreme Western Allegany County. In Virginia, Augusta, Eastern Highland, and Rockingham Counties. In West Virginia, Eastern Pendleton and Western Mineral Counties.
* WHEN...For the first Heat Advisory, from 10 AM this morning to 8 PM EDT this evening. For the second Heat Advisory, from 10 AM to 8 PM EDT Friday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.