Sauna-like conditions on Friday are threatening to break records in major Northeast cities during summer’s hottest month ...

Summer heat just got turned up a notch − and trapped under a lid. About 100 million people will see 100-degree days the rest ...

A heat dome happens when hot air is trapped over an area due to a persistent high pressure system, William Gallus, a ...

A massive heat dome will be long-lasting and unforgiving across large areas of the United States in the coming weeks, with ...

The combination of corn sweat, the exhalation of water vapor through leaves, and a heat dome is bringing dangerously hot ...

A long stretch of blistering heat is on the way for portions of the Plains and southern United States, while breaks from the ...

It’s the hottest time of the year in the United States and another heat dome is about to make millions of people feel every bit of it.

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the ...

Warm, humid conditions across the central and eastern United States have made the region especially vulnerable to flash ...

Some cities could notch their highest temperatures of the year as heat builds from the South to the Midwest this week.

Heat index values will top 110 degrees in parts of the country Wednesday, while South Texas could see its highest ...

The Pensacola area is under a heat advisory for the second day in a row. A cluster of showers and thunderstorms will offer ...