You may want to ask your attorney about filing for temporary emergency spousal support (assuming that his CS calculations fully cover his CS responsibilities), and what he/she feels your chances are of winning such a motion.
If the children are living in a home whose mortgage payment is NOT going to be able to be paid -- and thereby facing eventual possible foreclosure and eviction -- your atty should be able to make a case that your husband needs to continue to help provide for the children's home.