* WHAT...Snow above 8000 ft. Snow accumulations of 3 to 6 inches with up to 12 inches along the highest peaks. Winds gusting as high as 45 mph. * WHERE...Mono County. * WHEN...From 8 AM PDT Saturday to 7 AM PST Sunday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Heaviest snowfall expected late Saturday night.