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.

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.

People experiencing homelessness are particularly vulnerable to the health ramifications of extreme heat, which is worsening ...

Three hospitals in the Chicago area have had problems with air conditioning as a dangerous heat wave has affected the region ...

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

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

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

St. Louis, Chicago and Des Moines were among the cities that saw heat indexes hit triple digits on Saturday, with the East ...

Cook County and Chicago are under an Extreme Heat Warning starting Saturday morning, a Heat Advisory has been issued for the ...