The significant winter storm is expected to impact New Jersey starting Saturday night. Forecasters warn of heavy snow, dangerous travel and prolonged cold. Here is the latest forecast, timing and impacts for NJ.

Roughly 150 million Americans are under winter weather watches or warnings for extreme cold as a potentially catastrophic ice storm will stretch from New Mexico to the Carolinas.

A major winter storm, one of the most extreme and expansive in years, is starting to develop over the Plains and will impact much of the United States. Over the next few days, the storm will drop up to a foot of snow and crippling amounts of ice over an area spanning 2,

Winter storm warnings have been issued for 16 New Jersey counties Friday afternoon, with a massive storm expected to dump as much as 12 to 18 inches of snow in many areas of the state and bring a dangerous coating of ice to others.