(CNN) -- A powerful winter storm coated Oklahoma in white early Wednesday as yet another round of frigid weather began marching across the United States.
The new storm comes barely a week after a record-setting weather system pummelled the Plains and the Midwest.
Up to 12 inches of snow was forecast for the Sooner state, but a winter storm warning was in place across portions of nine states -- from Texas to Alabama. A winter weather advisory also touched portions of Illinois, Kentucky, Virginia, North Carolina and Georgia. The warnings and advisories were expected to move eastward throughout the day.
Snow and sleet are predicted as far south as central Texas, with 1 to 3 inches expected in the Dallas-Fort Worth area, the National Weather Service said.
Snow hits plains, heads south
Arkansas in the snow bullseye
Later in the day, the system is expected to bring rain and snow to many areas of the Deep South before delivering a wintry mix along portions of the East Coast on Thursday.
Memphis, Tennessee, could see 2 to 4 inches of snow, with 4 to 8 inches expected in Little Rock, Arkansas, forecasters said. Lesser amounts were expected in Nashville; Birmingham, Alabama; and Atlanta.
Bitterly cold temperatures will lock the center of the country in the deep freeze as the system moves east.
"Behind the system, cold high pressure will bring temperatures 30-40 degrees below average to parts of the central U.S. by midweek," the Weather Service said.
Rain is likely across most of the Southeast on Wednesday and Wednesday night.
Scattered snow is expected in the Great Lakes region Wednesday.
Last week's historic storm left its mark on at least 30 states, dumping about 2 feet of snow on the Chicago area and prompting Oklahoma's governor to declare a state of emergency.
Another winter system at the end of the week left central and southern Texas a mess.
Hundreds of flights were canceled as the winter weather threatened the plans of Super Bowl enthusiasts headed for the game last Sunday in Arlington, Texas.
As part of an unrelated storm system, portions of the North Carolina coast including the Outer Banks were also under a winter storm warning Wednesday. The National Weather Service said 2 to 4 inches of snow could fall in inland areas, with 1 to 3 inches expected on the coast.
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