Extreme Heat Warning

* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 108. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 106 expected.

* WHERE...In Maryland, Central and Eastern Allegany County. In West Virginia, Eastern Grant and Eastern Mineral Counties.

* WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 8 PM EDT Friday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.