What if your child is on probation for dwI will your entire house be searched?

It may depend on what the substance was that he was under the influence of when he was charged with DWI (Driving While Impaired). If it was alcohol, you probably don't have to worry about anything like a residence search. However, if the substance was narcotics, meth, or prescription drugs, yes. There could be a possibility that the PO would want to make sure he wasn't accessing these things via the home.