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.

A blast of snow, ice, wind and plunging temperatures stirred up dangerous travel conditions in parts of the central U.S. on Sunday, as a disruptive winter storm brought the possibility of the “heaviest snowfall in a decade” to some areas.

The Lehigh Valley could see several inches of snow Sunday night into Monday, but will escape the worst of a winter storm targeting the Mid-Atlantic.