* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 108 expected.
* WHERE...Pontotoc, Atoka, Bryan, Coal, Hughes, Johnston, Marshall, Carter, and Love Counties.
* WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.