My best 2 weeks are the last week of Oct. first week of Nov. Really all of Nov. is good but I tend to see the most bucks come in between Nov. 3-12. However if you are hunting public land it might be wise to hunt early and late as they can get crowded the first 2 weeks of Nov. By early I mean last week of Oct. and then from about the 17th of Nov thru Thanksgiving.
More important than dates is weather. Mature buck sightings/harvests will greatly increase when it's cold as opposed to 60 degrees plus. I'm in Allamakee. Good Luck this fall.
Just seen where your from. This should closely coincide with what you tend to see in Western Wisconsin.