I don't see any mention of your activity level. Are you working out? How much? Are your measurements still moving in the right direction?
I'm down about 55 pounds, and have plateaued a couple of times - it is natural and your body's way of telling you it needs to regroup a little. I've found that number 1 - don't get too stressed about it, number 2 change up some things you do and eat, number 3 if you are working out a lot, stop for at least 4 days to allow for some real recovery and reset.
I actually remain flat almost every week, because I am working out and my body wants me to eat more. On the weekends and off days, the weight melts off because I am not hungry and therefore don't eat much. Nuts, dairy, and all of those things you know you shouldn't eat do have an impact as well.