Argyle Lake State Park

Heat Advisory issued August 11 at 11:29AM CDT until August 11 at 8:00PM CDT by NWS Quad Cities IA IL

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of west central Illinois, southeast Iowa, and northeast Missouri. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat indices may briefly exceed 105 degrees in some areas. Thunderstorms and storm outflow may also interrupt the high heat at times.