So I got all the way to the gym the other day and realized I did not pack my gym shoes. I had to drive home in rush hour to go get them. I was ticked.
Dang, I would have been so upset too. 
I would have just stayed home but I was meeting friends after on the same side of town. I had to cut my workout short. Not ideal.
It would have sucked more if it was raining. Hopefully you have some good vibes come your way.