Winter storm could dump 6 to 8 inches of snow on New York City; bring tornadoes, hail to South. Boston and NYC to close schools.

PHOTO: Snow shovels are displayed for sale during a winter snow storm in Arlington, Mass., March 2, 2019. PlayBrian Snyder/Reuters
WATCH Northeast digs out from 2nd snowstorm, braces for another winter blast

A new winter storm racing across the country brought snow from the Great Plains to the Midwest on Sunday before bringing significant snow to the Northeast and severe weather to the South later on in the day. Both Boston and New York City announced that public schools would be closed on Monday

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Brutal cold will move in behind the storm. Wind chills are as low as minus 30 and minus 40 in the Northern Plains and parts of Upper Midwest early Sunday. This air will move east over the next 48 hours. By Tuesday morning, single-digit wind chills will arrive in the Northeast.

At least 3 inches of snow was reported in Denver Sunday morning from this storm, with 4 to 8 inches of snow reported in the foothills west of Interstate 25 in the Denver and Colorado Springs metro areas. Locally, 3 to 5 inches of snow is being reported in western Kansas.

The snow shield was moving across parts of Kansas, Oklahoma and Nebraska early Sunday with difficult travel expected on Interstate 70, Interstate 35 and Interstate 80.

PHOTO: Storm alerts are in place across much of the country due to a fast-moving winter storm. ABC News
Storm alerts are in place across much of the country due to a fast-moving winter storm.

At least 110 million Americans were under a winter weather alert on Sunday morning, including winter storm warnings, winter storm watches, winter weather advisories, wind chill warnings and wind chill advisories. Philadelphia, New York City and Boston are all included among the winter storm warnings. Also, nearly 24 million Americans are at risk for severe weather in the South on Sunday.

PHOTO: Heavy rain is developing to the South on Sunday while snow forms to the north. ABC News
Heavy rain is developing to the South on Sunday while snow forms to the north.

Heavy rain moved into the Mississippi River Valley. Flash flooding is possible because some parts of this region are very saturated from heavy rain the last two weeks.

Most of the eastern U.S. will be impacted by this major storm by late Sunday afternoon, with significant severe weather in the South and snow moving into the Northeast, including Maryland, New Jersey and Pennsylvania.

PHOTO: The snow will move into the Northeast Sunday evening. The South will be at risk for severe weather, including tornadoes and hail. ABC News
The snow will move into the Northeast Sunday evening. The South will be at risk for severe weather, including tornadoes and hail.

On Sunday afternoon a line of intense storms will form along the cold front and become intense during the late afternoon and early evening hours.

There is an enhanced risk for severe weather across parts of Alabama and Georgia with strong tornadoes possible, along with damaging winds and large hail. During a tornado warning in Lee County Alabama, there were several tornado touch-downs. Dispatchers told ABC News that the county is currently in "response and recovery," and two deaths have been confirmed.

PHOTO: Severe weather could bring tornadoes, hail and damaging winds to the South on Sunday. ABC News
Severe weather could bring tornadoes, hail and damaging winds to the South on Sunday.

The storm will intensify as it tracks Northeast late Sunday into early Monday. It remains to be seen how close the rain/snow line comes to the major Interstate 95 cities as the latest guidance shows the rain/snow line will be right on or near I-95.

PHOTO: The rain/snow line will form somewhere along Interstate 95. ABC News
The rain/snow line will form somewhere along Interstate 95.

There will be a wide swath of 3 to 6 inches of snow across the Northeast from Pennsylvania to Maine. However, there will also be an area from New Jersey to Massachusetts that will likely exceed 6 inches of snow. This region's snow totals will ultimately be determined by where the rain/snow line sets up. New York City and Boston are projected to get 6 to 8 inches of snow, while Hartford, Connecticut, will see 4 to 6 inches.

PHOTO: Snowfall totals will be highest stretching northeast from Philadelphia through New York City, Boston and Portland, Maine. ABC News
Snowfall totals will be highest stretching northeast from Philadelphia through New York City, Boston and Portland, Maine.

The storm will begin to pull away from the Northeast early Monday. The storm will be moving rather fast, and the heaviest snow will be late Sunday night before the storm quickly moves off to the north and east.

PHOTO: Bitter cold will move in behind the winter storm to start the week. ABC News
Bitter cold will move in behind the winter storm to start the week.