Often when Christians speak of God’s will, they will say that the Holy Spirit moved them or God spoke to them. Almost always they will say that when God spoke to them it was not in an audible voice, but in a feeling or a circumstance.
But this phenomenon isn’t found in scripture. When God speaks to someone, it is in an audible voice. God’s will is revealed in His word because He has completed the scripture. Scripture tells us that He has made known the mystery of His will. When searching for God’s will, it then follows that the search should be in His Word.