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 ...

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 ...

Oakfield remains one of only three F5 (or EF5) tornadoes on record in Wisconsin and the only known F/EF5 U.S. tornado to have occurred in July.

He then rated the Fargo tornado an F5, the highest level on the scale. That remains one of only two F5s (or EF5s) on record in North Dakota, including a May 29, 1953, twister in Ft. Rice.

In one of weather history's most fascinating twists, a tragic, deadly, violent tornado in southern Minnesota eventually led ...

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 ...

Experts predicted a one in 100 trillion chance homes would be struck twice. May 21, 2013 — -- For the residents of Moore, Okla., the damage wrought by Monday's E-F5 tornado was all too ...