The entire eastern half of the United States will experience above-average temperatures this week as a massive heat dome ...

Dr. Ward studies how extreme heat is reshaping lives and livelihoods in communities across the United States.

This weekend into next week, an uptick in heat and humidity is headed for many regions. Maps show how hot and humid it will ...

Nine children have died in the U.S. after being left in hot cars this year, according to data from Kids and Car Safety.

An "extremely dangerous heat wave" is continuing to scorch a huge area of the eastern United States June 23, affecting tens ...

Severe storms and showers are expected in the upper Midwest and parts of the Northeast and Mid-Atlantic this weekend.

AccuWeather reports June 24 was the hottest day in more than a decade for millions of residents. But also pay attention to ...

An NWS update released on Saturday showed extreme heat warnings are in place for large sections of Arizona along with parts of Southern California.

Paramedics in Washington, D.C., burned through their supply of ice packs on Tuesday, and residents cranked up the ...

Boston broke its record daily high by six degrees, reaching 101 degrees on Tuesday. Some construction workers were forced to ...

From Atlantic beaches to New England hamlets, humidity surged to extremes and temperatures soared to records that overpowered ...