I challenge you to read the Scripture your pastor is preaching on before you lead tomorrow.
Listen: It's great when things magically (or supernaturally might be a better word?) work out and some message you've been focusing on during your worship set lines up perfectly with what your pastor preaches about. BUT - it doesn't have to be an accident for that to happen! You can allow it to happen every single week by simply preparing in advance.
So, whatever passage your pastor is preaching on - read it before you lead tomorrow. (If you don't know what it is, text them right now and say "Hey. I'm preparing to lead worship for tomorrow and I'd love to know what you're preaching on so I can make connections and prepare people for the preaching.) Pray through it. Study it. Then, use whatever you glean to affect how you lead your church tomorrow before you pastor preaches on it.
Before you lead tomorrow, read the Scripture your pastor is preaching on!