St. Louis, Chicago and Des Moines were among the cities that saw heat indexes hit triple digits on Saturday, with the East ...

Over 140 million Americans will be under the highest-level extreme heat alerts by Sunday during a wave of above-average ...

A heat wave is moving in, with over 100 million people from the Midwest to the Northeast on alert for life-threatening heat ...

A dangerous, record-breaking heat wave will spread over the eastern United States and is expected to last several days.

Temps may crack 100 for the first time in 13 years. The temperature made it to 91 on Saturday in Philly, and by the end of ...

States in the Midwest and Northeast could reach record temperatures in the coming days: Here’s where and when.

"A dangerous, widespread heat wave will bake the central and eastern U.S., bringing the hottest temperatures of the year and uncomfortably muggy air to the Midwest and Northeast that in some areas ...

A widespread heat wave is poised to engulf the central and eastern United States, potentially impacting 170 million people.

The hottest temperatures will start in the Great Plains, then move to the Midwest, the Great Lakes, and the East Coast ...

Severe storms in the Midwest and Northeast have caused at least three deaths in North Dakota. The fatalities occurred on June ...

Chicagoans can expect intense heat compounded by muggy humidity for the next several days. The National Weather Service has ...