Rain will fall across the South, as a disturbance emerging from northern Mexico rides along the tail of the cold front. Some mixed wintry precipitation is possible Thursday over the Southern High Plains. Meanwhile, Western storminess will expand and shift farther to the south and east, with high winds and blizzard conditions engulfing much of the Sierra Nevada from Thursday into the weekend. Storm-total snowfall in the northern and central Sierra Nevada could reach 5 to 10 feet.
