A dangerous heat wave is tightening its grip on the East Coast, with the worst conditions underway as millions prepare to ...

With bigger fireworks celebrations across the US, cities are expected to experience poor air quality under historic heat.

Temperatures are skyrocketing for the third straight day across the Eastern US, but there’s at least three different ways to ...

Storms will build with the afternoon heat in the DC area on Sunday and could overlap with the UFC fights.

The free-to-use app, which has a green icon instead of CNN’s usual red, is the organization’s first standalone lifestyle product. CNN Weather is CNN's first standalone lifestyle offering. Weather has ...

(CNN) — El Niño has officially begun, and it is forecast to intensify into a very strong or “Super” El Niño with major shifts in global weather patterns and an even hotter climate, according to a new ...