Snow is no longer falling over most of North Texas after the first winter storm of the season. The National Weather Service dropped a winter storm warning early Friday morning, and let a winter weather advisory expire at 12 p.

Millions of residents across the southern U.S. woke up to a rare chance to bust out the mittens and snow pants thanks to a cold snap that dumped snow in their backyards.

Twenty states, from Texas to Delaware, were on alert Friday for snow and ice as the storm continued to move across the South.

CHICAGO (CBS) -- Salt spreaders were deployed Friday morning in the Chicago area ahead of widespread snowfall. Snowfall is expected to ramp up during the Friday morning rush. Slick roads and dangerous driving conditions are expected to impact commuters.