Winter weather alerts were in place for some 100 million people across 22 states from Nebraska to Massachusetts on Thursday as a series of winter storms descend on states in the North and the East, bringing snow,

Widespread freezing rain and drizzle are causing untreated roads, sidewalks, and driveways to become icy and slick.

Freezing rain could lead to hazardous travel conditions across the entire Chicago area, especially during "peak timing" of the winter weather system.