A supercell thunderstorm this week produced an Illinois record for largest hailstones. What is the largest hail recorded in ...

One supercell thunderstorm was particularly strong and long-lived, starting near Del Rio and tracking east-northeast through ...

Three severe weather outbreaks and a historic blizzard and snowstorm have hit parts of the U.S. in 12 days in March. They ...

On March 10, 2026, a powerful supercell thunderstorm in Kankakee, Illinois, produced extremely large hail. The stones were up ...

Severe storms eyeing the Chicago area Tuesday have the potential to produce supercells, considered to be one of the most ...

(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 ...

The very large hail fell from a supercell in Kankakee, Ill. on March 10, 2026 ...

At least four tornadoes from a powerful supercell tore across parts of Illinois and Indiana Tuesday, killing two people in ...

Weather experts explain the science behind the rapidly-developing twisters, and how just the right conditions had to be in ...

Witness a massive supercell storm sweeping across the Texas Panhandle. This stunning storm-chasing footage captures dramatic ...