Millions of Americans are facing treacherous weather as a massive storm system slams the eastern United States.

       MORE: East Coast bracing for snow, ice from widespread winter system

       The storm that brought heavy snow, ice and tornadoes from the Midwest to the Southeast over the weekend is moving through the Northeast on Monday morning, according to the latest forecast from the National Weather Service.

       ABC News

       The National Weather Service has issued various alerts related to a massive storm system hitting the Northeast on Jan. 17, 2022.

       More than 133,000 customers were without power across North Carolina, South Carolina, Georgia, West Virginia and Pennsylvania as of 6:30 a.m. ET on Monday, according to data collected by PowerOutage.US. Meanwhile, over 1,200 flights to, from and within the United States were canceled for Monday and there were more than 450 flight delays, according to data collected by FlightAware.

       ABC News

       The storm is forecast to reach New England by morning on Jan. 17, 2022.

       Sixteen inches snow was already recorded in Buffalo early Monday, a daily record for New York's second-largest city. An additional 6 to 12 inches of snow is possible for western New York and into the mountains of northern New England.

       ABC News

       The system is forecast to move out of the Northeast by the afternoon or evening on Jan. 17, 2022.

       Tornadoes damaged and destroyed dozens of homes in southwestern Florida on Sunday.

       Damaging winds are in the forecast for Boston and up the coast to Maine as the storm reaches New England.

       ABC News

       Snowfall totals could approach 2 feet in some areas on Jan. 17, 2022.

       The weather system will move out of the Northeast sometime on Monday late afternoon or evening, but gusty winds will continue in the region later into the night, according to the latest forecast.

       ABC News

       An arctic blast is forecast to move in after the storm.

       The powerful storm won't mark the end of winter's wrath. Another arctic blast is expected to hit the Midwest by Wednesday before spreading south and east by Thursday morning.

       MORE: 75 million Americans under alert for winter storm, chilling temperatures

       The wind chill is forecast to dip well below zero degrees Fahrenheit from Des Moines to Chicago and into upstate New York. The wind chill will be in the teens and single digits as far south as Arkansas and Tennessee.