The National Weather Service issued a Winter Storm Warning forecasting extreme snowfall totals and powerful winds that could make conditions dangerous.

Millions in California are facing severe weather on Tuesday as a strong atmospheric river pummels the state days before Christmas.

An updated winter storm warning was issued by the National Weather Service on Monday at 6:29 p.m. valid from Tuesday 10 p.m. until Friday Dec. 26, at 10 a.m. for the Greater Lake Tahoe Area.

On Tuesday at 4:14 p.m. a winter storm warning was released by the National Weather Service valid from 10 p.m. until Friday Dec. 26, at 10 a.m. for the Greater Lake Tahoe Area.

At 8:46 a.m. on Tuesday, the National Weather Service issued a winter storm warning in effect until 4 p.m. for Northern Wayne and Susquehanna County.

A major winter storm rolled into California Tuesday, forcing more than 100 evacuations in burn areas while threatening flooding and travel delays through Christmas for much of the state, officials said.

A significant storm system powered by an atmospheric river is expected to hit California during the holiday week. This system could bring heavy rainfall, strong winds, and threats of flash flooding. FOX 9 meteorologist Cody Matz reports.