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.

A developing winter storm system is threatening many southern states with a mix of snow, sleet and rain late Wednesday night and into Friday, the National Weather Service says.

The latest winter storm is bringing snow and ice to thousands of counties across more than 20 states. Here’s what to know about the forecast, key cities and expected impacts.

A powerful winter storm that unleashed heavy snowfall and coated roads with ice across much of Texas and Oklahoma has pushed into the South, leading governors to declare states of emergency and prompting widespread school closures.

Another massive winter storm is forecast to pummel the southern and eastern U.S., with impacts from Texas to the Carolinas.

A winter storm is moving across the southeastern portion of the U.S., bringing snow, sleet and other cold-weather conditions to a part of the nation not accustomed to coping with blustery temperatures.