F5 tornado raked through two northern Illinois counties on the far southwestern edge of Chicagoland. The twister tore a ...

The weather forecast for Will County called for thunderstorms on Aug. 28, 1990. No advanced tornado warnings or watches were issued. Then, an F5 twister tore into parts of Oswego, Crest Hill, Joliet ...

One massive twister moved from Ohio into Pennsylvania, destroying everything in its path, and still stands as the only F5 tornado on the Fujita Scale to strike Pennsylvania.

The Plainfield tornado touched down on Aug. 28, 1990, and remains the only F-5 tornado ever recorded in the state of Illinois. Even more staggering, it remains the strongest August tornado on record ...

Tornadoes are a relatively rare event. Only a tiny percentage of thunderstorms ever go on to produce a tornado. No two twisters are alike—and some of those storms are truly bizarre. From twin ...

Cellphone video recorded by an Oklahoma teacher at Briarwood Elementary School shows the exact moment an E-F5 tornado tore through the building as she attempted to calm students' fears by telling ...

40 years since Pennsylvania's deadliest tornado outbreak 21 tornadoes crossed the Keystone State, including the first and only F5.