Severe weather is expected to bring subzero temperatures the northern Plains as soon as Thursday, then reach the Mississippi Valley, the Northeast and the Ohio Valley by Sunday.

Texas and Oklahoma braced for heavy snow and ice that could make roadways treacherous Friday in what forecasters predict will be some of the initial effects of a huge, dayslong winter storm threatenin...

Boston 25 Meteorologist Shiri Spear said the storm will be a long-duration event, with the potential of more than 24 hours of accumulation.