NAM composite reflectivity may be a bit too warm but is on the right track:
850 mb temps and surface wet bulb temperatures on the GFS are just below zero:
HRRR says rain with the initial wave but some snow showers on the back side for ottawa, montreal and central ontario before the system pulls northwards. People across this area might wake up to some exiting weather! A line of showers is depicted for the northeast tomorrow morning as the cold front moves eastwards ushering in the last of a series of arctic air masses for the east this week.
Have a good night everyone!