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Seacoast New Hampshire and southern Maine are bracing for the largest snowfall of 2025 to date, expected Sunday night ahead of an Arctic blast.

While more sunshine is expected today, it will be paired with bitter cold temperatures. Most locations will struggle to reach the mid single digits with wind chills staying well below zero. Improvements are made by the end of the week as the Arctic air recedes.

Residents across parts of the Gulf Coast and South are bracing for a rare winter storm expected to drop heavy snow and create treacherous conditions, including freezing rain and sleet.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

Winter storm warnings issued by the National Weather Service have already gone into effect for parts of the Mid-Atlantic through Monday morning, with the forecast projecting up to 15 centimeters of sn

Boston and the rest of New England have been dealing with well below-average temperatures, in some cases falling 20 degrees, as an expansive mass of Arctic air spreads across the eastern half of the United States. This cold surge is making our region this week feel colder than Anchorage, Alaska, which is topping out at 36 degrees.

The NWS has warned of possible snow squalls as Arctic air spreads south and east from the Rockies Friday through next week.

Heavy snow is expected to blanket large portions of the Eastern U.S. while much of the country will endure dangerously cold temperatures in the coming days

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as residents along the East Coast contend with a thick blanket of snow — and more snowfall in the forecast.

Some communities reported low temperatures in the minus teens early Tuesday morning, and similar conditions are expected Wednesday.

Most of the United States is being assailed with extreme winter weather this week as Arctic air blasts south from Canada, snow tracks up the Northeast coast and a potentially crippling winter storm takes aim at the South.