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

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

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

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds ...

U.S. regional electric grid operators scrambled to avoid rotating blackouts on Tuesday, preserving razor-thin power ...

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

A historic heat wave is sweeping the U.S., putting 128 million people under warnings. Stretching from Texas to Maine, it’s ...

But then summer drove off something of a cliff and the extreme heat ended. Much of the rest of July and most of August was fairly typical, lots of 80s highs, some brief lower-mid 90s in lower ...

NEW YORK (AP) — A record-smashing heat wave broiled the U.S. East for another day Wednesday, even as thermometers were ...

NEW YORK – A massive heat dome that sparked the first major heat wave of the summer brought record-breaking temperatures to cities from the Midwest to the Northeast this week, but some much-needed ...

Another day of extreme heat is in the forecast. Forecasters say that we are looking at a high near 93 this afternoon, but the ...

Meteorologist Tom Tasselmyer said it will be another Alert Day in Maryland with heat indexes across the region reaching 110 ...