Here are five pieces of data to show why our recent stretch of 90s and 100s went far beyond normal, run-of-the-mill ...

This morning, some scattered showers are still moving through northwest Montana, but those should taper off by late morning.

Salt Lake City anticipates extreme heat with NWS forecasting near 99 degrees today and potential highs of 106 by Monday.

Phoenix to experience clear skies and a heatwave, with temperatures reaching 107°F and potentially climbing to 114°F next ...

On Wednesday, another heat-related death was reported in Anderson County, South Carolina, after a woman died from exposure to ...

Edward Boyle, lab technician, and Sophie Gomez, founder, pose for a portrait at Constant Agitation Film Lab, 3501 W. Armitage ...

Sometimes, heatstroke can start with symptoms of heat exhaustion, which isn't quite as serious as heatstroke but still ...

The warmest water temperature of the Great Lakes today is 81.1 degrees in Lake Erie and the coldest is at 65.1 degrees in Lake Michigan.

Learn the signs of heat-related illnesses and how to prevent them.

There are those of us who remember when triple-digit heat was a special treat, and typically only served by a certain profile ...

The heat wave will be over this weekend for most of the U.S., but some spots along the East Coast will see scorching ...

Wooder ice aside, few things offer cooler relief than a good swim. Plus, your summer heat wave guide, and the importance of ...