Cities across the U.S. are bracing for cold temperatures as a polar vortex arrives, bringing temperatures down to much below normal for mid-to-late January. Parts of Utah are on the "very western fringe" of a cold front that will bring in air from the Arctic.

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously frigid conditions.

BILLINGS, Mont. (AP) — The Biden administration said Wednesday it will continue protecting about 2,000 grizzly bears in the Rocky Mountains despite opposition from Republican-led states.