According to the NWS, snow levels in Southern California could be between 4,500 and 5,500 feet by late Friday. Los Angeles County mountains could get up to a foot of snow above 7,000 feet and up to 18 inches at resort levels. In Ventura County, the mountains are expected to get half that amount, and Santa Barbara County mountains are expected to get even less.

Source: Los Angeles Times March 01, 2018 17:39 UTC