More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's ...

The first big heat wave of 2025 has arrived, coinciding with the official start of summer. More than 40 million people in the ...

The longest day of the year, and the official start of summer, has arrived in the U.S. The summer solstice takes place Friday ...

Tens of thousands were still without power, according to BGE, after the utility said it restored service for over 35,000 ...

Chicago's 1995 heat wave left 739 people dead over a five day-stretch. The National Weather Service says heat is the number ...

As temperatures rise, so will the humidity. This will make it feel even hotter. This prompted the National Weather Service to ...

Temperatures will soar into the 90s for at least four straight days, and the humidity will make if feel much warmer than that.

Heat stroke occurs when the body can no longer control its temperature. Heat stroke is the most serious heat-related illness ...

Some heat safety tips are obvious — but others are surprising. Know how much water to drink and how to recognize heat exhaustion and heat stroke.

In Kentucky and southern Indiana, the highs will reach the upper 80s Friday and top out in the 90s over the weekend.

For right now, the Extreme Heat Watch includes these counties: Ottawa, Kent, Ionia, Clinton, Allegan, Barry, Eaton, Ingham, Van Buren, Kalamazoo, Calhoun, Jackson, Midland, Bay, Huron, Saginaw, ...

The United States is experiencing its first significant heat wave of the year, beginning Friday across the Great Plains and ...