Wintry conditions were forecast for at least 12 states across the U.S. on Friday, with some regions expecting up to 4 feet of snow, accompanied by strong winds and hazardous travel conditions. Why It Matters The storm system is part of a larger pattern affecting much of the U.

At 9:33 p.m. on Thursday, the National Weather Service issued an updated winter storm warning valid from Friday 8 a.m. until Sunday 11 p.m. for North Oregon Cascades.

Winter storm watches were in place for California and Nevada, with a winter weather advisory issued for Alaska.