* WHAT...Dangerously hot conditions with heat index values up to 108 expected.
* WHERE...Braxton, Clay, Gilmer, Doddridge, Harrison, Lewis, and Tyler Counties.
* WHEN...Until 10 PM EDT Friday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...An extended period of hot and humid conditions are expected, peaking on Thursday.