"... between Gov. Tony Evers, a Democrat, and Tim Michels, a Republican. Those northern seats would put Republicans in reach of veto-proof supermajorities that would render a Democratic governor functionally irrelevant.... The Republican leaders in the Wisconsin Legislature say they will bring back all 146 bills Mr. Evers has vetoed during his four years in office — measures on elections, school funding, pandemic mitigation efforts, policing, abortion and the state’s gun laws — if they win a supermajority or if Mr. Michels is elected."
The northern seats are "three counties in Wisconsin’s far northwest corner make up one of the last patches of rural America that have remained loyal to Democrats through the Obama and Trump years... Douglas, Bayfield and Ashland Counties."