How to Master Staying Cool in This Illinois Summer Heat While Driving Around Plainfield and Naperville

Summers in northeastern Illinois are notorious for their intense combination of soaring temperatures and heavy, stifling humidity. When June, July, and August roll around, a phenomenon known locally as "corn sweat" (evapotranspiration from the vast agricultural fields surrounding Will and DuPage counties) pumps massive amounts of moisture into the atmosphere. This turns a standard 90-degree afternoon into a sweltering index of over 100 degrees.