Mountain High Resort in Wrightwood got 3 inches of snow and more is on the way.
A winter storm warning has been issued starting at 4 p.m. Saturday to 10 a.m. Sunday.
The snow level was expected to get as low as 3,500 feet, with 6 to 12 inches of snow expected above 5,000 feet.
The National Weather Service said the mountain areas of San Bernardino and Riverside counties could see 4 to 8 inches of snow on Christmas.
Officials are warning drivers of reduced visibilities in areas of blowing snow, and said people should be prepared for dangerous winter driving conditions in the local mountains over the holiday weekend.
Get the latest updates on the weather with the Free ABC7 Los Angeles app
Download the ABC7 app for weather alerts: Click here for iOS devices | click here for Android devices. If you have the app, turn on push notifications and personalize the app. Click on My News from the bottom menu, then star the topics you'd like to follow and tap Done.