From Nigeria to Japan, Pakistan to Spain, the month of June was the hottest ever recorded in 12 countries and was ...

The East Coast and much of the Midwest are experiencing the first major heat wave of the year. Millions of people in the U.S. are trying to stay cool as the summer's first major heat wave continues to ...

A heat dome occurs when a large area of high pressure in the upper atmosphere acts as a reservoir, trapping heat and humidity. A heat wave is the persistence of heat, usually three days or more ...

A heat dome occurs when a large area of high pressure in the upper atmosphere acts as a reservoir, trapping heat and humidity. A heat wave is the persistence of heat, usually three days or more, with ...

How to cool down Overnight lows can be a particularly dangerous part of a heat wave, said Ashley Ward, director of the Heat Policy Innovation Hub at Duke University. “Your body needs a reprieve ...

Heat indexes on Sunday hit 103 F (39.4 C) in Chicago and 101 F (38.3 C) on Saturday in Madison, Wisconsin, turning that city’s annual naked bike ride into a sticky and sweaty affair.

Philadelphia broke a daily record high today, reaching 99 degrees as the region's heat wave officially began. The high temperature so far at Philadelphia International Airport reached 99, breaking ...

The heat continues to surge as temperatures climb to the mid 90s under mostly sunny skies. Southwest winds around 7 to 9 mph won’t offer much help, and heat index values could climb to near 102 ...

Heat wave already a record-breaker Already, daily record highs were set on June 19 in Salt Lake City (104 degrees), the city's first triple-digit high of the year, Erdman said.

This heat wave is especially threatening because it’s hitting cities like Boston, New York and Philadelphia with near-record temperatures.

A potentially life-threatening heat wave enveloped the eastern third of the United States on Monday impacting nearly 160 million people, with temperatures this week expected to reach 102 degrees ...