Difficult to comment upon. It will be alright till Naran, I expect. Beyond Naran, I doubt the road conditions will permit adventures of this sort.
Getting a hotel till Kaghan is easy, you may get something in Naran. Beyond Naran may not be possible. Balakot to Babusar is a good 6 hours in reasonable weather. In the present situation, it is a wild guess: May Not Be Possible At All.
Advice: DO NOT ATTEMPT