Wisconsin is absolutely sick of the GOP and hasn't voted for a Republican in a statewide election since Trump won, except for fuckin Ron Johnson for some reason. The GOP has a crazy advantage where they can lose the popular vote and get close to a supermajority in the state legislature, but since you can't gerrymander the vote for president I'd say it will probably go Biden, especially since there aren't many Muslim voters and a lot of the decisive voters that let Trump win had been Obama voters, so it was probably more of an anti-Hillary vote in 2016 than outright support for trumpism. That said, the 35% of people who are still enthusiastic Trump fans are incredibly motivated and increasingly willing to work with straight up Nazis