A good forecast can tell you what might happen. A good weather app should help you understand that forecast and what to do with it, so you only need one.

(CNN) — A sprawling, wind-driven multiday storm roared across the United States with severe thunderstorms to the south and blizzard conditions to the north, causing damage and disruptions along its ...

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 ...

Thunderstorms need moisture, energy — which meteorologists call instability — and some sort of lift to form. Usually, the lift comes from cold and warmer air masses colliding along a line called a ...

(CNN) — A week of severe storm threats across the central US started with a bang Monday, with multiple tornadoes demolishing buildings in Kansas, heavy rain stranding vehicles on flooded streets in ...

(CNN) — A new batch of severe storms fired up Wednesday afternoon, dropping softball-sized hail near Kansas City and golf-ball sized hail in Ohio. The storms are part of a multi-day system that ...