Winter storm: Death toll rises as winter storm continues dumping snow across the U.S Heavy snow, sleet and freezing rain are slamming large parts of the U.S. as the dangerously cold weather causes major power outages and travel disruptions.

On Sunday at 11:57 p.m. the National Weather Service issued an updated winter storm warning in effect until Monday at noon for Mercer, Venango, Lawrence, Butler, Beaver, Allegheny, Washington and Greene counties.

Snow fell steadily as a military Humvee eased through Washington’s streets, tires crunching over packed ice while traffic lights

A winter storm continues to impact Washington, D.C., and its surrounding area as snowfall transitions to sleet, creating hazardous conditions that are expected to last through Sunday night and continue this week.

Start your morning with The National News Desk as Jan Jeffcoat sits down with Washington Insider Armstrong Williams.

On his own Twitter account, Cantore predicted 10 to 18 inches in NYC with regards to the pending storm. That range would double or triple the amount of snow that's already fallen in NYC to date this winter. According to National Weather Service data, 9.7 inches of snow was recorded to date this winter in New York's Central Park.

The winter storm is moving offshore, but much of the eastern part of the country faces ice, bitterly cold temperatures and wind chill.

A major winter storm has left more than 700,000 customers without power and resulted in the cancellation of more than 14,000 flights, as heavy snow, sleet, freezing rain and frigid temperatures hit a massive swath of the U.S. this weekend.