Track the winter storm as it's forecasted to bring heavy snow and extremely cold weather to the U.S., reaching millions from the southern U.S. to the Northeast.

Bread was flying off the shelves, salt was being loaded into trucks and utility workers were nervously watching forecasts Thursday as a huge winter storm that could bring catastrophic damage, widespre...

The Weather Prediction Center noted that blanketed roads and reduced visibility “are among the primary hazards expected” where forecasters anticipate snow.