Some southern states are bracing for their biggest winter storm in several years as snow falls from the Rockies to the East Coast. On Thursday, the weather starts to deteriorate in northern and western Texas,

Any wintry precipitation in Oklahoma and Texas should end by midday. Snow will spread from the Mid-South region into Kentucky, Tennessee, far northern parts of Mississippi, Alabama and Georgia into North Carolina and upstate South Carolina.

Brutal cold will open the door for a winter storm to take a somewhat unusual track through the South and create treacherous conditions.