In addition to hazardous heat and humidity, gusty winds are expected to create a "blast furnace" effect in the Chicago area.

Temperatures are expected to soar into the 90s on Saturday, with the heat index reaching 100-105 degrees on Saturday, Sunday ...

Record-breaking heat indices — a combination of temperatures and humidity to determine how heat really feels to the body — ...

Chicago's 1995 heat wave left 739 people dead over a five day-stretch. The National Weather Service says heat is the number ...