* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 110 expected.
* WHERE...Hardin, Northern Jasper, Northern Newton, Southern Jasper, Southern Newton, and Tyler Counties.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Friday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.