A powerful storm system is producing whiteout conditions in portions of the central United States and nearly 7 million people are under a tornado watch as residents in parts of the Plains remain under a threat for dangerous wildfires.

Another storm system is affecting millions of people in the middle of the U.S., leaving parts of the Midwest and Great Plains under blizzard conditions and

Another storm system is affecting millions of people in the middle of the U.S. Parts of the Midwest and Great Plains faced blizzard conditions Wednesday and a broad swath of neighboring states are at risk of high winds and wildfires.