Weather Underground: Ovilla, Texas - Offers current and local forecasts for Ovilla and surrounding locales. Ovilla Christian School - K4-12th grade. Information on mission, educational principles, admissions, athletics, and arts. Resource Guide - Historical information with facts and figures. Ovilla Local News: Topix - Local, regional, and statewide news collected from diverse sources on the web. Ovilla Heritage Day - Instituted as an annual celebration of the history and heritage of Ovilla, an annual parade represents the decree that was placed in effect in October 1985. Ovilla Fire Department - Information includes links to staff information, weather radar and other related information. Includes contact methods. Handbook of Texas Online: Ovilla - Provides a historical look into the origination of the town of Ovilla, located in Dallas county.