I was at the Macy's in South Coast Plaza and was told the same thing. The three pieces I wanted were all going to be 40% off tomorrow. I told them to hold them for me.
Also, I opened a Macy's card for an additional 10%, and am on vacation (different state) and customer service gave me an additional 11% off my entire purchase. I couldn't believe I might be getting 61% off my purchase.
I wonder if this will all work out in the morning when I go back?