Another shot of snow: A clipper system will move across the area today. These clipper system have a couple of common characteristics. One, they bring limited moisture because there is no inflow from the Gulf of Mexico. The second is that they are fast moving systems.

Can it be too cold for snow? Nope it can snow at any temperature. As the temperature gets colder the snow grain gets smaller because the colder the air is the less moisture the air can hold.

It stays cold: You can see this red color on this 850 mb map. It depicts -26 Celsius. That's bitter cold.
The cold air stays in place through Saturday. Here's Saturday morning with 850 mb temperatures still -26 Celsius.