Around six AM EST, snow will start falling indoors. It will only be in the hallways and lobby, never allowed to grow more than a foot, whether your character lets it be or kicks it about. This mean there will be plenty to build snowmen or have fights with, of course.
Notes will appear on characters' front door (on the inside) about a snow-shoveling service. If one opts for this, dial zero on your phone, request and hang up. Within fifteen minutes, chipmunks and squirrels will show up with little shovels and proceed to make a path for you. A bowl of nuts will also appear on each character's dining tables if your character should like to feed them for their service.
All of this will be over by midnight, of course. Questions, comments and more can be addressed here.