A powerful winter storm is blasting the Northwest with heavy snow and fierce winds, as residents are warned to stay off the roads.

Cities from Des Moines, Iowa, to Syracuse, New York, need to be on alert for ice, which could create treacherous travel conditions.

Millions of people from the Midwest to the Northeast and New England are bracing for potentially dangerous impacts as a developing storm is expected to bring widespread ice to the region that could wreak havoc on travel and lead to power outages.

A potentially dangerous ice threat from a developing winter storm looms for millions of people from the Midwest to the Northeast this week, causing sleet and freezing rain that could wreak havoc