A cool-down arrives Friday, but don't get used to it. Chicagoland's first true heat wave of the year is expected to begin Monday.

These kinds of sticky, muggy temperatures that persist into the night can pose a major risk to the health of anyone without ...

Another heat wave will hit the Chicago area this week, but this one will be different than before. NBC 5 Storm Team ...

Another round of dangerous summer heat is settling over Chicago only three weeks after the last major warmup, and parts of ...

Chicago is bracing for another heat wave, less than two weeks after the last one. This time, the heat comes with air quality ...

After seeing showers and storms roll through the area overnight, Chicago residents can expect more of the same for the next several days. While Saturday isn’t expected to be a total washout, a ...

On top of the Canadian wildfire smoke that has returned to the Chicago area Sunday, there are also serious dangers on Lake Michigan.

City officials, residents and researchers gathered at Columbus Park in the Austin neighborhood Tuesday night to remember the deadly heat wave 30 years ago — and to plan how to prevent future heat ...

The 1995 Chicago heat wave is the most notorious and deadly of the city's hot spells, and in fact the deadliest weather event in the city's history. With the Midwest again trapped under a heat dome, ...