Winter storms and extreme cold are forecast to wallop the U.S. with snow and ice through the weekend. Prepare for power outages and transportation issues.

What to Know Preliminary forecasts show 8-12 inches of snow can be expected for much of the tri-state area, including New York City, the Hudson Valley, nearly all of New Jersey and into Connecticut; areas along the coast may see slightly lower totals,

Weather maps show what you can expect for dangerous cold and heavy snow in the forecast for Boston this weekend.

Tens of millions of people across the U.S. from Texas to New England are bracing for a winter storm sweeping across the nation that could potentially bring catastrophic impacts.