A powerful winter pattern is unfolding across the U.S. this week, with heavy snow blanketing the Cascades and northern Rockies, a swath of freezing rain and snow from the Great Lakes to coastal Maine, and record warmth building across the Central and Eastern U.S. The end of the week brings another potent storm system—with the potential for flooding rain in the Tennessee Valley and accumulating snow into the Upper Midwest.
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January is closing out with no shortage of winter weather. Frigid temperatures will dominate the eastern U.S. for the rest of the week as another round of arctic air spills southward starting Friday. The cold could break more records as far south as Florida. Meanwhile, forecasters are closely tracking a potentially significant East Coast winter storm this weekend that could bring heavy snow, strong winds, and coastal flooding from the Carolinas to New England. Out West, a soggy pattern continues in the Pacific Northwest, with rounds of rain and mountain snow.