* WHAT...Afternoon heat index values 105 to 109 through Tuesday.
* WHERE...Autauga, Barbour, Bullock, Calhoun, Chambers, Clay, Cleburne, Coosa, Dallas, Elmore, Lee, Lowndes, Macon, Marengo, Montgomery, Perry, Pike, Randolph, Russell, Talladega, and Tallapoosa Counties.
* WHEN...Until 9 PM CDT Tuesday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.