* WHAT...Heat index values up to 110 expected.
* WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northeast, northwest, south central, southwest, and west central Mississippi.
* WHEN...From 11 AM this morning to 7 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Periods of dangerous heat will continue into this weekend.