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 Philadelphia region is baking under a summer heat wave, with temperatures soaring well into the 90s. Health experts are urging residents to take precautions to stay safe, cool and hydrated.

A brief thundershower helped keep a bit of a lid on the temperatures Sunday in Philadelphia, although many areas were indeed in the low 90s, kicking off the start of our first major heat wave of ...

Life-threatening heat is enveloping the eastern U.S., with some cities bracing for what could be their highest temperatures ...

As previous disasters have laid bare the US’ vulnerabilities to other types of extreme weather, this week is revealing strains in infrastructure and highlighting public health risks when faced with ...

A potentially record-breaking heat wave is pushing to the East, impacting millions of Americans in several states and cities.

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds between 12 p.m. and 8 p.m. on June 24 between Washington, D.C., and New ...

With the first official 100-degree reading in 13 years on Tuesday, Philadelphia broke a 100-year-old record for a daily high-temperature. And another might fall Wednesday, after what was a second ...

Another hot and muggy summer day is ahead for Philadelphia and its suburbs, with late-day soaking scattered showers that could cause flash flooding in some areas.

A long-lasting extreme heat wave reached its dangerous crescendo Tuesday, bringing the hottest day in a decade to some major East Coast cities and putting millions of already fatigued Americans at ...

A heat advisory is in place across the Northeast, from Maryland to Maine, where residents are bracing for temperatures 5 to 15 degrees above average.

A Heat Health Emergency has been declared in Philadelphia, where temperatures could break a record set in 1923 amid an early summer heat wave.