"Thundersnow" is rare, but could happen during heavy snow. Here's what it means.

Windchills could reach -40 degrees in Milwaukee today. How does this compare to other cold places, like Canada and Antarctica ...

The Chicago area isn’t dealing with the remnants of a massive snowfall, but rather a much different type of winter weather: ...

Mississippi is bracing for a major winter storm this weekend and freezing rain could be among the worst impacts.

Sub-zero wind chills are expected statewide through Sunday morning, with overnight lows dropping below zero degrees at times.

Temperatures will likely break records Friday morning as arctic air plunges south into Illinois Thursday night. The Chicago ...

While it can be convenient to leave certain items in your car, with temperatures plunging, it's important to be mindful of ...