Heat Advisory

* WHAT...For the Heat Advisory, heat index values up to 97. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected.

* WHERE...Portions of northeast Louisiana and southwest Mississippi.

* WHEN...For the Heat Advisory, until 10 AM CDT Tuesday. For the Extreme Heat Warning, from 10 AM to 9 PM CDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.