View of (clockwise from upper left) Twin Bridges, Echo Summit, I80 Castle Peak, Kingsbury Grade SOUTH LAKE TAHOE, Calif. - A Winter Weather Advisory starts at 10:00 a.m. Sunday, but now has already begun to fall and road controls are up on roads around Lake Tahoe. The advisory is in place until 4:00 a.m. Monday, and before that time, total snow accumulation of 2 to 6 inches below 6500 feet and 8 to 16 inches above 6500 feet is expected. Road controls as of 9:00 a.m. Sunday, December 13: US50 Chains or Snow Tires Required - on US-50 from mile post 59.8 in El Dorado County to mile post 70.6 in El Dorado County in California.