LOS ANGELES (AP) — Heavy snow and rain pounded California and other parts of the West on Friday in the nation's latest winter storm, while thousands of people in Michigan suffered in freezing temperatures through extended power outages wrought by one of the worst ice storms in decades.

The storms have blacked out nearly 1 million homes and businesses from coast to coast, closed major roads, caused pileups and snarled air travel. More than 300 flights were canceled and over 4,000 were delayed Friday across the U.S., according to FlightAware.com.

The National Weather Service warned of a "cold an...