Forecasters at the Weather Prediction Center (WPC) have issued a fresh update on the upcoming winter storm expected to impact a vast swathe of the U.S. later this week. On Wednesday morning, the WPC said that guidance for the “major winter storm” had shifted north slightly overnight,

A major winter storm is set to spread heavy snow and damaging ice across a large portion of the United States over the coming days.

Forecasters on Tuesday expressed fears that an ice storm arriving late this week and into the weekend could weigh down power lines, sending them crashing and causing widespread power outages.