I am in central Illinois (near Champaign) and our corn crop is terrible! Some farmers I know are talking less then 100 bushel corn which is not good. The beans still have a chance but they need some rain soon.
If the nutrition isn't good then the deer might have trouble putting on weight for the winter and antler development will also be affected.
I think it will all depend on where you are and what the primary diet of your herd is. If it hasn't rained and you hunt hard woods you could be in trouble if the acorns aren’t falling.