BonnieArbittier_NIOSA_fiesta_celebration_cascarones_party_la_villita_downtown_night_in_old_san_antonio_4-25-2018-3 La Villita is less crowded in the early hours of NIOSA due to inclement weather. Credit: Bonnie Arbittier / San Antonio Report La Villita is less crowded in the early hours of NIOSA due to inclement weather.during NIOSA at La Villita.