If are you're looking for a way to fight the winter and need a fix for riding try going to Ohio. Ray's Mountain Bike is open for action and they also offer training for non seasoned riders. Or maybe try some some coaching for a new skill you always wanted to learn and you might as well learn from the best such as Jim Dellavalle, bmx legend and now infamous mtb rider. Check out the quick clip of Jim doing a short part of the course there and look for more video on the Ray's MTB Site.
For more info check, http://www.raysmtb.com/