The winter months are almost impossible to predict up until a week or so before a storm hits. Some of the biggest winters have been predicted to be slow, and some of the slowest winters have been predicted to be historic. The simple answer is no one really knows.
Here is one article that you can keep up with that predicts about a month out and gives longer term projections on temperature and precipitation:
All of that said, it is better safe than sorry, and we have limited space so make sure you sign up before November 15th to guarantee your spot.