If this drought continues, you should hunt in a blind over a good waterhole with a good decoy. Spend a few days scouting those units and you'll be able to see what waterholes they are using, set up a blind, natural or something like a double bull before season so they can get use to it and nail a monster. Stalking a Pronghorn with a bow in open country would be a huge challenge, especially during rut when the buck has all of his girlfriends with him.
Goatalopes can see 320 degrees out of 360, so the only thing they can't see is directly behind their head. Add to that 8X power eyes and you have a very difficult stalk a head of you.
Try to put your tree stand in a tree with plenty of background cover, keep the prevailing winds for that time of the year to your face, and take care of those pesky squeaks and creaks your stand may have developed while sitting in the shed. A good treestand lube can be made by heating petroleum jelly until it reaches a liquid form. Some hunters have reported success by including a cover scent in this mixture before applying it to their stands.