* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 110 expected.
* WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.