If the weather looks bad,
http://www.wscc.org/ will be updated by 1pm Saturday on if the autocross is cancelled.
But if not, its in Pomona (aka Ramapo) in Rockland County right off the Palisades Parkway at the Provident Bank Park (Rockland Boulder's baseball stadium) this Sunday.
Here is the flier for event:
http://www.wscc.org/flyers/2012-Autox-Fall.pdf