New York City broke a record Tuesday afternoon, hitting 100 degrees Fahrenheit at La Guardia Airport. Tampa, Florida, which ...

A heat dome building on the western side of the United States may break records this week, surging temperatures to 119 degrees in California.

"For people without effective cooling, especially heat-sensitive groups, this level of heat can be deadly." the NWS said.

The Centers for Disease Control and Prevention (CDC) says that extreme heat can lead to heat-related illnesses, especially ...

A heat dome​ is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service​ ...

Newcomers to a hotter climate – Acclimatization takes time. If you’re not used to this level of heat, it can hit harder.

More than 250 million people in the U.S.—nearly three quarters of the population—are experiencing moderate, major or extreme ...

More than 200 million people across most of the United States are on alert for widespread, dangerous heat on Monday.

More than 11 million people across southern Georgia and most of Florida were under a rare “extreme” heat warning.

The New York Times' interactive heat wave tracking map provides a visual look at the numerous states that will be affected by the rising temperatures this week. If you're in one of the areas ...

The National Weather Service said Tuesday the prolonged heat is expected to peak in the Southeast at mid-week. A strong upper ...