The models are not in agreement this far out (no surprise here) on exact track, timing, or whether or not this system phases (northern and southern branch come together) during the later part of the upcoming week.
Here are the latest Ensembles from the European and Global Forecast System (GFS) models:
Click here for a definition of ensemble modeling.
Global Ensemble Forecast System (image courtesy Wxbell):
I will provide further updates as we get closer to this potential Winter Weather Event.