Fort Lupton Location First Saturday of each month - 10 a.m. Prayer in the Square gatherings meet locally every month. All First Saturdays St. Williams Catholic Parish **This site will meet at 10 a.m.** Address: 1025 Fulton Ave. Fort Lupton, CO 80621 Contact: Yvette Erger at (720) 636-0782. Questions? 720-799-9265 Need a different language?