NORTH TEXAS – North Texas is bracing for a mix of snow and sleet. A winter storm warning went into effect Thursday morning and continues until 12 p.m. Friday. The warning includes Denton, Collin, Dallas and Tarrant counties.

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,

FOX Weather's Brandy Campbell reports from Frisco, Texas, where snow has started covering the ground as a winter storm moves across the southern U.S.