A dangerous heat wave is building across Wisconsin and the Great Lakes this week, with temperatures climbing into the upper 80s and 90s — 20–25 degrees above normal. Much of the state normally expects ...

Our fifth heat wave of the summer is underway, and it's only going to get hotter. Monday begins another dangerously hot three-day stretch with temperatures in the 90s and heat indices in the low 100s.

A heat wave is impacting the Pacific Northwest, with temperatures in the upper 80s to over 100 degrees in Washington. Warm nights are a concern as they prevent the body from recovering from daytime ...

Here's how to stay safe as temperatures reach 100 degrees From cats to horses, keep animals cool during record heat How to cool down your car fast The latest: Long stretch of heat alerts wraps hottest ...