A winter storm is now dumping heavy snow and treacherous ice on parts of the Great Lakes and Northeast Friday evening after snarling travel and knocking out power in parts of the region.

A powerful storm carrying a strong atmospheric river is laying siege to California, where evacuations have been issued because of the risk of life-threatening flooding and debris flows.

Cold and snowy weather has gripped much of the northern tier of the United States since Thanksgiving, but a pattern change will torch the chance of white Christmas for many. A white Christmas is when ...