Bowlus • Annual Bowlus Day celebration begins with an outdoor polka Mass at 10 a.m. with music by Joyce and Jerry at St. Stanislaus Kostka Parish, weather permitting. Following Mass, the Bowlus Fire & Rescue Dept. sponsors a day of events with a parade downtown and activities in the city park, ending with fireworks at 10 p.m. and a street dance from 7:30 p.m. to 11:30 p.m.