An Arctic blast gripped the northern Plains, Midwest and Great Lakes on Saturday, with millions of Americans under freeze warnings. More than 17 million people were cautioned Saturday under ...

Arctic air will plunge from the northern Rockies and Great Plains, crossing the Gulf Coast and Midwest on Saturday night and the Eastern Seaboard on Sunday night. "By Tuesday, the entire Lower 48 ...

Weather forces in the Arctic are combining to push the chilly air that usually stays near the North Pole into the U.S. and Europe. In Kentucky, Gov. Andy Beshear on Tuesday said the severe weather ...

Tundra describes the Arctic’s tree-less plains, where shrubs, grasses, and mosses grow and take in carbon dioxide through photosynthesis. Plants eventually release that CO2 back into the ...

An arctic air mass will invade the Plains and East early this week causing temperatures to plunge far below average. Several records could be set as the coldest air of the season so far settles in.

A brutal blast of bitterly cold arctic air engulfed the central states ... we saw additional daily record temperatures set from the Plains to the Gulf Coast on Friday. Some of that cold air ...

The shallow arctic air in the plains will not make it above about 7,000-7,500 feet. It will remain below freezing on Thursday for most of the plains, and above freezing in the mountain valleys.

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