Fluffy mammatus clouds were spotted over parts of North Texas on Sunday, April 27, as severe weather moved through the region ...

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Curious about whether the clouds you see mean sunny skies, roaring storms or a stunning sunset? Here’s your guide to the ...

After one round of thunderstorms moved across Minnesota on Monday morning, a second, stronger round of storms brought hail, ...

After storms rolled through the Houston metro area Monday, you might have seen strange, pouch-like cloud formations. Those were mammatus clouds. These sac-like cloud shapes, whose name comes from ...

A tornado touched down in northeast Burnet County, Texas, Thursday afternoon, according to the National Weather Service.

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