* WHAT...For the current Heat Advisory on Tuesday, heat index values up to 109. For the Heat Advisory on Wednesday, heat index values up to 105 expected.
* WHERE...Portions of central, southeast, southwest, and western Arkansas.
* WHEN...For the current Heat Advisory on Tuesday, until 8 PM CDT this evening. For the Heat Advisory on Wednesday, from noon to 9 PM CDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.