Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

Additionally, a winter weather advisory is set for dozens of counties in eastern North Dakota and northern Minnesota.

Dangerously cold weather will put much of the United States into a deep freeze over the weekend as temperatures are expected to plunge by up to 40 degrees behind an Arctic air mass.

The National Weather Service had multiple states under winter weather advisories or winter storm warnings early on Friday.

North Dakota is seeing a population surge as newcomers from South Dakota, Montana, Minnesota and Texas migrate in. The state hit a record high of nearly 800,000 people last July, according to new stats from the U.

North Dakota's legislative session opened with the usual speeches and the use of a 115-year-old silver punchbowl once used on a battleship.

The Supreme Court has upheld a North Dakota state House district on an American Indian reservation, rejecting a challenge by local Republican officials.