if you gotta gun you can always hunt off the ground. sounds like you could sit inside the tree rows and watch the fields anyway. you still got alot of season left to hunt and its never to late. as hot as its been there is a good chance the deer have been using your streams for watering. look for some tracks around the banks. you never know what you will find when you scout. looks like you will have about 3 months of rifle season to hunt. that is more than most states.
good luck and let us know what you see.