Images and footage shared on social media captured the moments that bolts of lightning flashed beneath a rainbow-streaked sky ...

Dallas residents prepare for a week of intense heat, with highs near mid-90s and heat index values over 100 degrees.

Strong tornadoes, very large hail and damaging winds in excess of 75 mph are possible. Severe storms could bring very large ...

It will be the first official weekend of summer, and it will feel like it with temperatures jumping into the 90s. Heat alerts ...

Humidity not only makes it harder for the body to cool off by evaporating sweat from the skin, but helps the air retain heat ...

Philadelphia could see its first 100-degree day since July 18, 2012, with similar conditions likely across the Lehigh Valley.

New Orleans faces a heat advisory with index values possibly reaching 105 degrees; caution against heat illnesses is advised.

Tens of thousands were still without power, according to BGE, after the utility said it restored service for over 35,000 ...

Friday, June 20, marks the first official day of summer in 2025. It's also the date of the summer solstice. The first day of summer changes annually, arriving on June 20, 21 or 22. That's because the ...

Friday, June 20, marks the first official day of summer in 2025. It's also the date of the summer solstice. The first day of summer changes annually, arriving on June 20, 21 or 22. That's because the ...

The heat wave will be characterized by a strong high-pressure system bringing dry, clear conditions and southwest winds.