* WHAT...Heat index values around 105.
* WHERE...The Coastal Plain, northeast Piedmont, and eastern Sandhills of North Carolina.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Temperatures and heat index values will decrease abruptly in and around scattered showers and thunderstorms, and associated rain-cooled air.