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

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

At least four tornadoes from a powerful supercell tore across parts of Illinois and Indiana Tuesday, killing two people in Lake Village, injuring others, damaging homes and infrastructure, and ...

Intense thunderstorms spawned at least four tornadoes across northern Illinois and northwest Indiana on Tuesday, with at least two killed in Indiana as damage assessments continue.

A massive, long-tracked supercell moved across parts of the Edwards Plateau and the Hill Country on Tuesday evening, dropping ...

One of the wildest storms I’ve ever chased unfolded across the Nebraska plains. This massive supercell stretched over seven miles wide and produced tornado warnings and baseball-sized hail, creating ...

It's a critical and fascinating process. All hands on deck at the Chicago Office of the National Weather Service, as 10 ...

Thursday was a big day for storm chaser Dan Fitts , who clocked winds of 98.4 mph near Chugwater. Fitts has spent three decades pursuing supercells ...

Editor’s Note: Wednesday afternoon, the National Weather Service confirmed at least one tornado touched down Tuesday near Wheatfield, Indiana, with peak winds near 110 mph, ranking as an EF-1 in ...

Several damaging tornadoes and grapefruit-size hail struck Illinois and Indiana late Tuesday amid a widespread severe-weather outbreak across the central United States.

Lakes that were still ice-covered and a record-breaking 76-degree day: How extreme conditions fueled deadly tornadoes in ...

The calendar still says it's winter, but Mother Nature has been ignoring that. We're off to a busy start this storm season.