* WHAT...For both advisories, heat index values up to 110 expected.
* WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northeast, south central, southeast, and southwest Mississippi.
* WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from 10 AM to 9 PM CDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.