Dangerously cold weather spread over the Midwest on Saturday and is headed toward the East Coast, where temperatures well below seasonal norms are expected starting late Sunday and into next week.

Temperatures will plummet as Arctic outbreak brings frigid weather to much of the U.S. Much of the United States will see temperatures plummet 20 to 40 degrees below average when a major Arctic outbreak bringing frigid temperatures sweeps through the country.

Millions are bracing for subzero wind chills this weekend as the coldest air of the season hits most of the country. The Arctic blast will bring snow squalls to several states, and seven other states are expecting heavy snow ahead of the plunging temperatures.

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

The arctic blast moved into Oklahoma Friday night, bringing frigid and below-freezing temperatures to the state that will linger for days.

The Arctic is heating up particularly fast as a result of global warming—with serious consequences. The widespread permafrost in this region, where soils currently store twice as much carbon as the atmosphere,

Winter weather is expected in Maine early next week, followed by frigid temperatures. Forecasters expect snow to accumulate Sunday afternoon into the evening. The Portland area could see anywhere from 4-8 inches,

Florida is bracing for another polar plunge this week as bitterly cold weather returns to the State with a wintery mix of possible freezing rain, snow, and more.

The cold conditions will persist into early next week. High temperatures will remain in the 30s on Monday and Tuesday, and the coldest temperature so far this winter is likely to occur Monday morning, on the Martin Luther King Jr. holiday.

In pushing for Greenland and the Panama Canal, Donald Trump is restoring the Monroe Doctrine and the foreign policy vision of the founding fathers.