* WHAT...Afternoon heat index values will approach or exceed 100 at times over all but the higher elevations, and some valley locations may see heat index values exceed 105.
* WHERE...Portions of southwest North Carolina, east Tennessee, and southwest Virginia.
* WHEN...From 11 AM EDT /10 AM CDT/ Tuesday to 9 PM EDT /8 PM CDT/ Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.