Sorry, I've been on vacation. Routt and BLM......You need both of them. Weather will either be your friend or foe. Unfortunately, the migration has not been happening the last few years as in past years. If you get some nasty weather, you may get some activity.
In 2006, some weather came early and the 2nd season was better than the 3rd. Since then the weather has been better for the 4th season which is draw. Normally the 3rd should be better than the 2nd.