A million households have lost power so far as major winter storm blasts the U.S.

A major, prolonged winter storm continues to bring heavy snow, blizzard conditions and significant ice from California to the Northeast this week.

About a million households nationwide were without power as of 1 p.m. ET on Thursday. The vast majority of those outages — more than 750,000 — are in Michigan, where residents have been hit with freezing rain and ice. That's according to PowerOutage.us, which tracks outages state-by-state.

"Power outages and areas of tree damage will be possible across these areas [from the Great Lakes into the Northeast], and especially...