Forecasters warn of 100- to 105-degree heat index values through Tuesday, with potential storms offering limited relief.

Northwestern University researchers are giving the city 30 recommendations to better prepare for heat waves and potentially ...

It was a clean sweep Thursday! Temperatures reached 90 degrees at all three major observation sites: O’Hare International ...

A historic, deadly heat wave affected much of the Midwest and specifically Chicago in July of 1995. Over 700 deaths were ...

Illinois' number one music festival is set to take over Chicago's Grant Park this weekend, with Lollapalooza's star-studded ...

After weeks of scorching the U.S. with dangerously high temperatures, a record-breaking heat dome will finally begin to break ...

Much of the country suffering in scorching heat will see a dramatic drop in temperatures by Friday. Computer models are ...

Thirty miles outside of Chicago, you will find a mass grave of 41 bodies in simple, unmarked pine boxes. The victims were the poor, the elderly and those who lived alone. All of them were laid to rest ...

Researchers track communities' vulnerability to heat in Chicago Everyone in the Chicago area was feeling the heat wave this week, and on the Evanston campus of Northwestern University, researchers ...

Deteriorating conditions in the state’s prisons and climate change could be a potentially deadly combination, advocates warn.