“A combination of strong thunderstorms, followed by violent and destructive winds, will make for one of the Midwest’s most dangerous storms in 70 years.

The temperature Monday is hit the 70s under partly sunny skies. But when Tuesday morning comes around, the Chicago area will be slammed with furious thunderstorms as a cold front passes over the area.

Damaging winds will likely be a component of the thunderstorms, and there is a risk of tornadoes, CBS 2’s Mary Kleist reports.”

(Storm To Be Among Worst In 70 Years « CBS Chicago – News, Sports, Weather, Traffic, and the Best of Chicago)