According to the demands for meteorological information of local meteorological service, the CMACast Inner Mongolia Meteorological Information Web Platform is designed and developed based on the China Meteorological Administration satellite broadcasting system station data receiving server and meteorological data. The platform combines a variety of Web techniques, Android and NCL, etc., processes, visualizes, and dumps the CMACast station receiving data. The platform has also achieved such functions as meteorological data visualizing on Linux, cross platform access on Web and mobile terminals, common weather and forecast information display, and localization setting. The platform can provide a decision support system with a Web platform and a smartphone client for local meteorological stations, and has solved the problem of meteorological data acquisition in the working site of weather service and weather modification.