try regional forums, and find there website for updates.
Im at silver star right now, and the valley needs more snow hardcore. But by new years, there should have a couple more dumps, and most hills have jumps and rail already set up, full blown parks arn't going yet, but they will after a couple more good dumps.
im going their over new years.their sapposed to get a bunch of snow in the next couple weeks, and open up both parks, or atleast thats what the lady told me when i e-mailed her