Part 1 of 2. The nation's chief meteorologist learns that three potentially devastating weather systems will likely converge over Chicago and flatten the city, but a colossal power outage in the area makes it nearly impossible to warn people who live there of the impending disaster.


Thomas Gibson Mitch Benson
Brian Dennehy Andy Goodman
Randy Quaid Tornado Tommy
Dianne Wiest Shirley Abbott
Andrew Jackson Walt Ashley