Arctic air to bring freezing start to 2025 in much of US

Get ready to bundle up. Arctic weather will take over the warmer-than-usual temperatures that kicked off 2025 for a large part of the U.S. 

Over the next couple of days, the coldest air of the season will move into the eastern part of the U.S., dropping temperatures to nearly 30 degrees below average in some areas.

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🎆 As we round out 2024 and head into 2025, above normal warmth across the eastern half of the U.S. will be quickly replaced by a series of Arctic outbreaks… with the coldest air of the season set to take hold through next week. 🥶 pic.twitter.com/N046deYUpa

— NWS Weather Prediction Center (@NWSWPC) December 31, 2024

While the bitterly cold air already started to move in, the worst of it is expected to hit next week.

Forecasters said after the first wave of cold, two more rounds of arctic air will move in from Canada, setting up parts of the U.S. for a long-lasting run of freezing temperatures.