Join Whitman County Humane Society for a howling good time at Howl-O-Ween, a costume party for dogs, benefiting dogs in need. Dogs must be on leash and must be dog friendly. Event includes dog trick-or-treating. For a $5 donation, your werewolf can enter contests and have photos taken at our photo booth. Contest registration starts at 4 p.m., contests at 4:30 p.m. You can also submit contest registration and participation online for dogs who love to celebrate, but in the comfort of their own home.