Chicagoans are stepping up to help one another during another heat wave in the city. The temperature reached 94 degrees ...

A dangerous heat wave has descended on Chicagoland this week, with extreme heat and humidity to persist through Thursday.

A dangerous heat wave is expected to scorch Chicago beginning Wednesday. A heat advisory has been issued from 10 a.m.

The spike in the wholesale cost of electricity, which ComEd buys at an annual auction and then passes through to its ...

Chicago is sweltering under a heat dome with temperatures that feel like 110 degrees or higher. It's a reminder of the city's ...

The researchers have been tracking the heat, and the way it impacts parts of the city differently, in a brand-new way that could ultimately provide relief for some Chicagoans.

As residents of Chicago's Northwest Side recovered from the sweltering heat, a round of storms Thursday caused a ground stop at O'Hare and Midway airports.

Chicago dives into a hot summer, posing a risk for outdoor workers and people spending time outside during the heat wave.

Rising dew point temperatures will increase humidity Tuesday evening, with a heat advisory going into effect Wednesday.

Chicago faces a Heat Advisory with temperatures reaching 95°F and a heat index of 100-110°F until 10 p.m. Thursday.

The 96th Lake County Fair opened Wednesday in Grayslake amid a heat wave that caused organizers to move at least one activity ...