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.

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.

Power lines are working overtime with the heat, and some are concerned that blackouts are possible with so much air conditioning running at homes and businesses.

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.

Because of the heat wave, 1995 will go down as an important year in Chicago history and to a certain extent in American ...

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

CHICAGO—Cheryl Johnson was watching the news during the worst heat wave in her city’s history when she learned that a man she ...