Chicagoans should bundle up or simply not go outside this weekend, according to National Weather Service meteorologist Kevin Doom. “Today and tomorrow are going to be very similar. We’re expecting highs in the lower 20s both days,

Today will be mostly cloudy with a chance of light snow south of I-80, while the next storm system is expected to impact central Illinois and Indiana more significantly than Chicago.

Millions should prepare for disrupted travel and winter conditions as a fierce storm is set to bring ice, snow and freezing rain to much of the U.S. "Nobody wants to see this, and no American can be happy about it,