Winter storm rages toward two-thirds of the US as millions prepare for catastrophic temps

Approximately 160 million people are currently under winter storm or cold weather watches or warnings, with many areas facing both - (AP)

A vast winter storm is poised to unleash catastrophic damage, extensive power outages, and bitterly cold weather across the eastern two-thirds of the United States, with Texas and Oklahoma already bracing for treacherous conditions.

Forecasters predict heavy snow and ice will make roadways perilous from Friday onwards.