Reuters: A powerful winter storm that buried the U.S. Plains and left at least three people dead moved on Tuesday into the southern Great Lakes region, where it snarled the evening commute in Chicago and Milwaukee, created near-whiteout conditions and forced hundreds of flight cancellations.
Much of the region was under either a winter storm warning or a winter weather advisory, according to the National Weather Service, as the system's potent blend of wet snow, sleet and strong winds bore down on north...