Heat Advisory

* WHAT...For the Heat Advisory, heat index values up to 94. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 108 expected.

* WHERE...Coke, Irion, Nolan, and Sterling Counties.

* WHEN...For the Heat Advisory, until noon CDT today. For the Extreme Heat Warning, from noon today to 10 PM CDT this evening.

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