welcome to the litigious world in which we reside...if someone has an accident on their way to league, you can bet your bottom dollar that someone would seek to sue the center as well as name the league officers.
There are certainly areas of the country accumstomed to a little bit of snow. I do disagree with some of the snap decisions to take so much stuff offline so to speak, but if it is, say 37 as someone notes above, and the snow melts but the water does not evaporate before it can later freeze up, you run the risk of an idiot not reacting properly to the road condition and looking for someone to blame.