Repeatedly in Lake Forest Wednesday, very light waves of snow would pick up significantly throughout day. Thus, as fast as crews went in to plow, the roads got blanketed again in a matter of minutes.

The first bands of moderate to heavy snow moved across Chicagoland on Wednesday afternoon. Snow and slush will create hazardous travel for the Midwest as a snowstorm treks across the region. FOX Weather Correspondent Robert Ray reports from downtown Chicago where snow is covering the cityscape.

We are tracking the return of the polar vortex next week as a wavy jet stream brings a blast of Arctic air to the Great Lakes.