Powerful winter storm hits U.S., disrupting flights and knocking out power

A powerful winter storm swept across large parts of the U.S. on Friday, battering the Midwest ahead of an incoming Arctic freeze that will bring bone-chilling temperatures. The massive storm brought freezing temperatures and heavy snow that covered roads, grounded flights and knocked out power.
The U.S. National Weather Service has issued weather alerts in nearly every state.In the Midwest state of Illinois, over 80,000 residents were without power as of Friday morning. Wind chill warnings ranging from minus 48 degrees Celsius to minus 37 degrees Celsius have also been issued across the northwest, from Washington to North Dakota, and down to Nebraska and Kansas.