For the third day in a row, nearly all of Delaware will be under an extreme heat warning for Wednesday, June 25. That warning ...

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 ...

Tens of millions of Americans sweltered outside or sought air-conditioned refuge as an "extremely dangerous" heat wave ...

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

Happening now: Unpleasant muggy morning with lots of sunshine. Temperatures may climb even faster than Monday. Afternoon heat ...

A heatwave advisory is in effect across several US cities, including New York, Washington, DC, Kansas, and Detroit.

Philadelphia faces dangerously high temperatures, with heat index values reaching 106°F, prompting a warning from the NWS.

The National Weather Service is forecasting extremely warm temperatures across coastal South Carolina this week. What you ...

The Philadelphia area is bracing for a scorching heatwave that will see temperatures reach the triple digits with added ...

More than 150 million Americans from Texas to Maine are under extreme heat advisories as dangerously high temperatures bake ...

Amtrak riders may run into delays on Monday as the railroad company grapples with speed restrictions due to the hot weather.