UMC Annual Conference May 29, 2025 Calendar When: June 5, 2025 – June 8, 2025 all-day 2025-06-05T00:00:00-05:00 2025-06-09T00:00:00-05:00 The 2025 Wisconsin Annual Conference will take place June 5-8 at the Madison Marriott Convention Center in Middleton, WI.