Another heat dome is moving over Illinois this week as temperatures near the triple digits. Here's what that means and when ...

What is "corn sweat," and how does it contribute to rising heat and humidity in Illinois? See what experts say.

Corn sweat is an agricultural phenomenon that makes humidity during a heat wave even worse, especially in states like ...

The National Weather Service issued Extreme Heat Watches and Flood Advisories throughout Illinois. Here's the forecast.

A strong ridge of high pressure will bring stifling heat and humidity to Central Illinois this week, with heat index values ...

Several central Illinois counties are under an Extreme Heat Watch, with NWS warning of "dangerously hot and humid conditions.

Extreme heat is blanketing the Chicago area with heat index readings expected to be up to 110. There was also a Severe ...

A phenomenon called "corn sweats" could exacerbate the impacts of the extreme heat blanketing a large portion of the U.S., according to experts.

A sweltering heat wave will bring dangerously hot conditions to the Chicago area this week, the NBC 5 Storm Team said.