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

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

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

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

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.

A day full of exploring Central Illinois emergency gadgets and gizmos has been rescheduled to July 30 because of the heat.

We're keeping a close watch on the heat across Southern Illinois. A dome of high pressure is locked in place, bringing us ...

With extreme heat warnings in effect across major U.S. cities, officials urge residents to prioritize safety and hydration ...

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