* WHAT...For the Heat Advisory, heat index values up to 112 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 116 possible.
* WHERE...Portions of the Big Bend and Panhandle of Florida.
* WHEN...For the Heat Advisory, from noon EDT /11 AM CDT/ today to 8 PM EDT /7 PM CDT/ this evening. For the Extreme Heat Watch, from Friday afternoon through Friday evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.