FRIDAY Update: The Advisory has been upgraded to a Winter Storm Warning from 11 a.m. Saturday to 8 am. Sunday. Expect heavy snow above 5000 feet. Snow accumulations up to 5 to 8 inches around the Lake Tahoe Basin, 8 to 12 inches over higher Sierra passes, and up to 12 to 20 inches of snow across the Sierra Crest above 7000 feet.