Mountain Biking Tahoe Ski Resorts

Which US ski resorts currently have enough snow to ski on?
A friend is in Tahoe but says he is having to go mountain biking instead of skiing as there is no snow.
most of the colorado resorts are open and have a few lifts open…the saturday and sunday after thanksgiving there was about 24 inches of new snow
Tahoe Mountain Biking 2010 – Tahoe Cross Country Ski Area Single Track

