* WHAT...For the Heat Advisory, heat index values up to 107. For the Extreme Heat Warning, temperatures up to 108.
* WHERE...Portions of North Texas.
* WHEN...For the Heat Advisory, until noon CDT today. For the Extreme Heat Warning, from noon today to 8 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities.