Heat Advisory

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110. For the Heat Advisory, heat index values up to 105 expected.

* WHERE...For the Extreme Heat Warning all of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. For the Heat Advisory, in Kentucky, Fulton County. In Missouri, Butler, Carter, New Madrid, Ripley, and Stoddard Counties.

* WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 8 PM CDT Sunday.

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