* WHAT…Heat index values ranging from 105 to 109 degrees expected.
* WHERE…Portions of south central and southwest Arkansas, north
central and northwest Louisiana, and east and northeast Texas.
* WHEN…For the first Heat Advisory, until 6 PM CDT this evening.
For the second Heat Advisory, from 11 AM to 6 PM CDT Tuesday.
* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.