If greenhouse gas emissions remain unchecked, Boston's average summer highs could rise by 9 degrees by 2100, according to ...

A "heat dome" has developed on the East Coast that could send temperatures to 100 degrees in Boston this week. As a result, ...

Another warm day will arrive Wednesday with mostly sunshine for the day, and some isolated thunderstorms are possible by ...

Temperatures aren't just rising during the day. Nights are getting warmer too. WBZ-TV meteorologist Jacob Wycoff reports.

Yesterday’s system demand reached approximately 92% of ISO New England’s all-time peak, levels not seen since 2010,” utility ...

With humidity, temperatures will feel like 100 to 110 degrees on Monday and Tuesday, the National Weather Service warned.

By Tuesday night — following the fourth hottest day on record in Boston — Mass General’s emergency department was slammed.

Nearly 150 million Americans are living under extreme heat warnings and advisories this week as some fear recent staff and ...

Extreme heat — and what to do about it — was also on the minds of researchers, community advocates and local leaders at a ...

Season’s first major heat wave triggers extreme heat warnings, advisories affecting over 150M people from Texas to Maine - ...

Boston is experiencing a heat wave with early thunderstorms followed by high temperatures reaching into the 90s.

The temperature in New York City has reached 100 degrees as the eastern U.S. sweltered under an extreme heat wave.