* WHAT...Heat index values up to 108 expected.
* WHERE...Southern Piedmont, Sandhills, and southern and central Coastal Plain of central North Carolina.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Rain-cooled air from showers and thunderstorms late this afternoon will provide localized relief from the heat in some areas.