‘Bomb Cyclone’ hammers the central United States

A pedestrian walks across Warren Avenue during a blizzard warning hitting southeast Wyoming and the Colorado Front Range on Wednesday in Cheyenne, Wyo. People in Colorado and Wyoming were urged to get home early Wednesday and stay there before increasingly heavy snow and wind from a powerful spring storm make travel all but impossible.

A truck travels east on Interstate 80 during a blizzard warning hitting southeast Wyoming and the Colorado Front Range on Wednesday in Cheyenne. People in Colorado and Wyoming were urged to get home early Wednesday and stay there before snow and wind from a powerful spring storm make travel all but impossible.

Alan Brown of Colorado Springs, Colo., attempts to clear ice from his truck's license plate as he prepares to continue the trek to Billings, Mont., while passing through Love's Travel Stop during a blizzard warning hitting southeast Wyoming on Wednesday in Cheyenne. People in Colorado and Wyoming were urged to get home early Wednesday and stay there before snow and wind from a powerful spring storm make travel all but impossible.

A dog is seen peeking over a chain link fence along Parsley Boulevard during a blizzard warning hitting southeast Wyoming and the Colorado Front Range on Wednesday in Cheyenne, Wyo. People in Colorado and Wyoming were urged to get home early Wednesday and stay there before increasingly heavy snow and wind from a powerful spring storm make travel all but impossible.

A Minnesota Department of Transportation snowplow helps a pair of semis struggling to get up the on ramp to eastbound Highway 14 from southbound Highway 169 near Mankato on Wednesday.

Xavier Castillo of Endres Window Cleaning finishes up a set of windows on the Profinium building in downtown Mankato, Minn., as snow falls on Wednesday.

A calf runs through an ice field on a ranch outside of Kilgore, Neb. on Wednesday. A bomb cyclone storm bringing heavy snow and strong winds to several Rockies and Plains states is making travel difficult in many areas and impossible in others. Officials have closed Interstate 29 in northeastern South Dakota and say other stretches of interstates are likely to close later.

Ice forms on a calf at a ranch outside of Kilgore, Neb. on Wednesday. A bomb cyclone storm bringing heavy snow and strong winds to several Rockies and Plains states is making travel difficult in many areas and impossible in others. Officials have closed Interstate 29 in northeastern South Dakota and say other stretches of interstates are likely to close later.

A person crosses a snowy Fourth Avenue Southeast on Wednesday in Rochester, Minn.

United States Postal Service city carrier Chad Jacobs delivers mail along 16th Avenue Northwest as snow falls on Wednesday in Rochester, Minn. Jacobs said he doesn't mind cold and prefers it over hot days.

Tom Kraner sends snow flying off his windshield after initial snowfall and before a blizzard warning went into effect for southeast Wyoming on Wednesday in Cheyenne. The storm was bringing snow to an area stretching from Colorado and into Montana.

Pedestrians opt for the skyway as snow falls on Wednesday in downtown Rochester, Minn.

Joshua Carpenter, with Meyer Outdoor Services, sprinkles salt on Peace Plaza sidewalk as snow falls on Wednesday in Rochester, Minn.