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.

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.

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.