Leftover license day is tomorrow. If you needed to exchange a license, you probably should have taken care of it already. Instead, I'd go to the DOW today, and have that license voided so you aren't stuck going to the DOW on Tuesday. And find an out of the way store, not a big, obvious one like WalMart, Sportsman's Warehouse, Gander Mountain, Jax, etc.
Here's the list: