Millions and millions of Americans are being warned of "dangerous" heat in more than a dozen states as the summer 2025 season ...

Millions of Americans are facing oppressive heat, with forecasters expecting a "heat dome" to develop over parts of the ...

Some heat safety tips are obvious — but some are surprising. Know how much water to drink and why humidity actually matters.

Maps show where extreme humidity and 90- or 100-degree temperatures will affect around 255 million people across the United ...

Friday marks the start of summer and the Philadelphia region's weather will be at its nicest and most comfortable of the next ...

British health officials are warning people across the country to take precautions when out in the sun as the U.K. has its ...

Friday will be sunny and pleasant with lower humidity before the heat builds with the hottest days expected Monday to ...

Phoenix has broken scores of heat records over the years, but one remains unchallenged: 122 degrees, still the hottest day on ...

First, on Friday, the first day of summer, central Pennsylvania will enjoy some nice weather: sunshine, high temperatures in ...

Philadelphia is under a heat advisory, with temperatures expected to soar. From public pool openings to symptoms of heat ...