The NHL is exploring all options for a rainfall on Saturday and NBC, the national network carrier for the Winter Classic has given the NHL permission to push the game back if needed.

NHL officials said today that the game could be pushed back later in the afternoon and as late as 8:00 p.m. on Saturday, if there’s significant rainfall on Saturday afternoon prior or close to the 1:00 p.m. game time.
An NHL official said today that fans will be given appropiate time (hours ahead) for any potential time changes.