Here are some useful ski related links. Let me know if you have suggestions
Alpine Meadows: http://www.skialpine.com/
NorthStar: http://www.skinorthstar.com/
Squaw Valley: skisquaw.com
Sugar Bowl: http://www.sugarbowl.com/
Road Conditions and also Caltrans Info
Road Conditions for Hwy 80, 89, 50, 88, 267