* WHAT...Maxiumum heat index values of 105 to 109 expected on Tuesday.
* WHERE...Barbour, Bullock, Calhoun, Chambers, Cherokee, Clay, Cleburne, Coosa, Etowah, Lee, Macon, Pike, Randolph, Russell, St. Clair, Talladega, and Tallapoosa Counties.
* WHEN...From 10 AM to 9 PM CDT Tuesday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.