Amtrak will operate a modified service Saturday and Sunday due to the weather, it said.
The cause of the crash is under investigation.
'The air that it is bringing down with it is very, very cold, ' Hofmann said.
Two people were killed and two injured in a vehicle accident on a snow-covered, slippery road in Kohler, Wisconsin, late Friday night, according to CNN affiliate WDJT. Police are investigating the cause of the accident, WDJT reported.
A Southwest Airlines flight carrying 150 people skidded from the runway at Nebraska's Eppley Airfield on January 18, after freezing temperatures caused an icy slick to form on the tarmac. At New York's John F. Kennedy International Airport, crews worked to keep runways clear Saturday night, the airport said. It advised travelers to get updates from airlines.
By Saturday morning, 1,135 flights within, into or out of the US were canceled for Saturday, according to flight-tracking service FlightAware.
Although applicable airports and rebooking dates may differ, similar waived-fee flight cancellations and changes are being offered by United, American Airlines, Alaska Air out of Boston, and Delta in the Central Plains/Ohio Valley and Northeast. Amtrak canceled some trains Saturday from Chicago to Washington and NY and between NY and Boston and Pennsylvania today.
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They were rescued from the rubber dinghy after it sank in the Mediterranean and flown by an Italian naval helicopter to Lampedusa. Survivors indicated their fellow migrants came from West African countries, including Nigeria, Ivory Coast and Gambia.
The storm system will dump 6 to 10 inches (15 to 25 cm) of snow in the Plains and Midwest on Friday night and Saturday and as it moves east at least a foot of snow in parts of the Northeast on Saturday and Sunday, the National Weather Service (NWS) said in several advisories.
In New York City, the worst of the storm was expected from this afternoon through to tomorrow afternoon, with snow accumulations of 75-150mm, followed by rain that could turn to ice as temperatures drop later tomorrow.
New York City was expected to receive up to 2 inches (5 cm) of snow.
As of Sunday morning, it was snowing in upstate New York, Vermont, New Hampshire, and Maine.
"Forecasts are showing a range of accumulating snow, sleet, and freezing rain", his office said in a news release Saturday. As ice accumulated on trees and power lines, CT utilities reported more than 14,000 customers are without power.
A large, powerful and unsafe winter storm is taking aim at about one-third of the nation this weekend.
The storm has brought harsh conditions across the Midwest and through to the East coast this weekend.
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Pennsylvania Governor Tom Wolf declared a state of emergency for his state where he said two inches of snow per hour was expected. He told residents to stay off the roads and prepare for possible power outages.
Locally, a winter storm warning is in effect until 10 a.m. today. However, winds could gust up to 35 miles per hour, causing blowing and drifting snow through Saturday night.
Temperatures are tipped to plummet so severely in some areas that any moisture on the ground is expected to freeze.
Highs on Sunday in the Kansas City area - where the Chiefs will be host to the New England Patriots in the AFC Championship game - will be in the 20s.
The storm was sweeping across the eastern United States ahead of Martin Luther King Jr. For instance, the temperature in Boston could drop to 6 degrees Fahrenheit (-14 degrees Celsius) on Sunday.
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