Heat Advisory

* WHAT...Dangerously hot conditions with temperatures up to 107 and heat index values up to 110 are expected Sunday afternoon. Temperatures up to 105 are expected Monday through Wednesday.

* WHERE...Bastrop, Burnet, Caldwell, Fayette, Gonzales, Lavaca, Lee, Llano, Travis, and Williamson Counties.

* WHEN...For the Extreme Heat Warning, until 7 PM CDT Sunday. For the Heat Advisory, from 7 PM Sunday to 7 PM CDT Wednesday.

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