A weather system already punishing the Midwestern United States with the coldest temperatures of the winter was forecast to spin to the south and west on Wednesday, prompting ice storm warnings and likely hazardous travel conditions.
The cell of arctic high pressure sitting over Canada that has driven temperatures some 20 or 30 degrees below normal in the U.S. Midwest and northern Plains will bring even rougher weather as it moves into central and southern states, the National Weather Service said.
