"It will be a wet week across California as a series of storm systems slam into the state," an AccuWeather meteorologist said.

STORM UPDATE: Big rigs are being held eastbound on Interstate 80 at Applegate due to conditions. Traffic has been held in both directions because of spinouts. Expect chain controls and significant delays in the Sierra with increased holiday traffic and winter driving conditions. pic.twitter.com/wYHqOLFeLX