IS METEO is a modulatable information system designed for the automatic record of meteorological quantities from the wide spectrum of meteorological sensors, e.g. temperature, humidity, pressure, precipitation sensors, etc. The system consists of required meteorological sensors (alternatively other sensors), communication software, registration software, which manages data storage and the storage of a GIS software. Its architecture is designed for uninterruptible operation 24/7. As a part of our service, we provide a regular calibration of measuring probes and the maintenance of the whole system. The GIS software enables creating of profiles by individual users. This feature secures a quick access to required data. There is a possibility to link the system to other softwares such as IS MORENA, where the meteorological data related to the localization of a disaster area and emergency route is used in case of a nuclear accident.