Short-term, global warming is set to increase the amount of moisture in the air, meaning that high elevation places will likely see more snow until the warming hits a threshold where most of the moisture will fall as rain.
Good question since we can see snow/rain lines slowly rise over the years. Certain ski resorts are in danger of losing a reliable snow pack. People will keep skiing, however, and our clientele puts in an incredible amount of effort to find snow to slide on.