* WHAT...For the first Heat Advisory, heat index values up to 105 expected. For the second Heat Advisory, heat index values up to 108 expected.
* WHERE...Barber, Comanche, and Clark Counties.
* WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from 1 PM to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.