Frigid temperatures engulfed the South on Monday ahead of a winter storm that's expected to spread heavy snow and disruptive ice around a region from Texas to north Florida that rarely sees such weather,

If it warms up enough during the day Tuesday, it’s possible for some of that accumulated snow and ice to melt, but snow or ice that sticks around Tuesday will refreeze Wednesday night, when temperatures are expected to plunge into the 20s or teens, Platt said.