The heat index reached 106 Saturday and an extreme heat warning is in effect until Monday, according to the National Weather ...

A total of 60 opioid overdoses were reported Friday and Saturday — including more than 37 on Saturday alone — triggering the ...

Chicagoans can expect intense heat compounded by muggy humidity for the next several days. The National Weather Service has ...

Relief from the extreme heat facing the Chicago area remains several days away as advisories and warnings remain in effect.

A sweltering heat wave across the Chicago area continues for a third straight day Monday, with temperatures that feel as high ...

Record-breaking heat indices — a combination of temperatures and humidity to determine how heat really feels to the body — are possible from Kansas City to Maine.

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

Fourth of July is less than two weeks away. Will the heat wave be over by then? Here's the forecast for Illinois.

A Midwest heat dome is driving high temperatures and high humidity that will push the Chicago heat index into the triple ...

Saturday set a new highest minimum temperature for June 21 in Chicago. Humidity levels are making it feel well over 100 ...

Scorching temperatures and high humidity are a bad combo, especially when that's the forecast for three days in a row, making ...

An Extreme Heat Watch goes into effect Saturday morning for Cook County and Chicago, when temperatures and humidity will ...