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.

A major, widespread, long-lasting winter storm will hammer parts of the South, Midwest and Northeast Friday through Monday with potentially damaging ice and heavy snow for millions from New Mexico and...

Transportation officials, including airport authorities in several major cities, are warning travellers to brace for significant delays amid the severe winter weather.