First Baptist Church of Rio Grande City, Texas - Includes calendar, worship schedule, contact information, and ministries. Rio Grande City Local News: Topix - Local, regional, and statewide news collected from diverse sources on the web. Handbook of Texas Online: Rio Grande City - Community history and information. Rio Grande City Rattlers - Home of the Rattlers. Provides city history and Rio Grande City, Texas High School information. AccuWeather Global - Rio Grande City, TX - Three day weather forecast, radar, satellite, current conditions, weather and news links. Rio Grande City CISD - Includes departments, links to each school, and district information. City of Rio Grande City - Municipal government site with news, online payments, departments, documents, and community information. The Weather Channel - Rio Grande City, Texas - Local forecast, current conditions, radar, and links for national and international weather information.