A dangerous tornado threat is building across Oklahoma and Kansas for Sunday, May 18, 2026, with federal forecasters warning that supercell thunderstorms capable of producing EF-2 or stronger ...

Supercell thunderstorms are the least common type of thunderstorm, but they are the most likely to produce severe weather and become dangerous. According to the National Weather Service, supercell ...

Rare severe thunderstorms rolled through the Pacific Northwest Thursday night, bringing hundreds of lightning strikes, wind ...

A more than 1,200-mile corridor from Wisconsin to Texas could see severe weather beginning Friday afternoon, with more than 7 million people under the greatest risk of seeing large hail across Iowa ...

Kirby officials warn that anyone charging for cleanup is not part of the city's free volunteer cleanup.

(CNN) — Supercell thunderstorms are dangerous severe storms that unleash destructive hail, roaring winds and powerful tornadoes. They are responsible for nearly all of the United States’ most violent ...