Today. The second annual Howl-O-Ween Canine Costume Contest benefiting the Humane Society of Boulder Valley is 1-3 p.m. In addition to the costume contest featuring prizes for the scariest, funniest and best overall doggy costume, there also will be a pet psychic and cookie decorating. Admission is $5. The event is in Macy’s Plaza at Twenty Ninth Street, 1710 29th St., Boulder. For more information, visit .
Air apparent
Sunday. SkyVenture Colorado hosts its annual Halloween Boogie 7-9 p.m. As part of this free event, experienced “flyers” will perform Cirque de Soleil-style acts in an indoor skydiving wind tunnel. These demonstrations incorporate themed decorations, choreography and costumes. Other attractions include the chance to play with floating water, trick or treating, music and raffles for flight time and indoor skydiving merchandise. SkyVenture Colorado, 9230 Park Meadows Drive, is located in the Lone Tree Entertainment District, near Park Meadows mall. For more information, call 303-768-9000 or visit .
