The National Weather Service has issued a Winter Weather Advisory for the Sierra Nevada through 4 PM Tuesday.
Snow accumulations of three to six inches is possible above 5000 through 7000 feet. Up to eight inches of snow could fall above 7000 feet.
Winds of ten to twenty mph are expected with gusts reaching up to fifty mph over the higher ridgetops.
The latest road condtions can be found here http://www.mymotherlode.com/traffic