Mad that they're making this call that early, but we lie not, as you can see from the official blurb:

'Burton and LAAX are committed to providing a very high standard of Slopestyle and Halfpipe snowboarding events. The temperatures at the moment do not allow preparation of a park set-up in time that meets the expectations of organizers and riders. For this reason postponement of the event has been confirmed.'

And on the left's the, what we imagine was a pretty hastily redesigned, poster: