The combination of freezing rain, snow and high winds that forced the shutdown Sunday of vast stretches of highways in the Dakotas was forecast to continue into Monday morning.
"Between the ice and snow, and winds howling like crazy, there will be nothing moving" until late afternoon Monday, said National Weather Service meteorologist Greg Gust in Grand Forks, North Dakota.
The weather service office in Bismarck, North Dakota, predicted snow accumulations of 8 to 15 inches in western parts of the state and thunderstorms in the central region.