The bottom line is this: if you go and don't take your sewing machine, you'll end up wishing you had it. If you take your sewing machine, the absolute worst that can happen is that you don't have time to use it. How bad can that be? That you're so busy with family you don't have time to sew? I vote for taking it. It's a win-win situation regardless of whether you use it or not!
Cheers!