Alert Details
* WHAT...For the Heat Advisory, heat index values up to 107 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 111 possible. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, from noon CDT /1 PM EDT/ to 8 PM CDT /9 PM EDT/ Sunday. For the Extreme Heat Watch, from Monday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.