Millions in the U.S. are in the path of a major winter storm bringing snow and ice and creating dangerous conditions from the Central Plains to the East Coast.

A major winter storm began Saturday in the central U.S. and was forecast to move east over the next several days, producing heavy snow, significant ice and frigid temperatures, according to the National Weather Service.

All highways in northeastern Kansas were closed on Sunday evening, bringing traffic to a standstill in some places.