Council is composed of heads of National Meteorological and Hydrological Services (NMHSs) and national scientific and technical agencies generating multi-hazard early warning information. The Council is empowered to make policy decisions, on behalf of governments, concerning regional early warning arrangements, for enhanced preparedness, response, and mitigation of natural hazards. Currently, India chairs the RIMES Council.

Secretariat carries out the decisions assigned by the Council, and provides support to the Program Unit in managing the regional early warning facility. Currently, the Government of Mongolia serves as the Program Secretariat, supporting resource mobilization, program coordination, and acceleration of the process of signing of the RIMES Cooperation Agreement by collaborating countries.The Government of the Maldives serves as the RIMES Administrative Secretariat, representing RIMES in the Intergovernmental Coordination Group for the Indian Ocean Tsunami Warning and Mitigation System (IOTWS).

Program Unit is responsible for day-to-day operation and management of the regional early warning facility, and the implementation of programs and activities. The Program Unit has financial and administrative autonomy through delegated powers and the financial and staff regulations approved by the Council. The Program Unit is co-located with the RIMES regional early warning facility.

Executive Board is constituted to implement policies and decisions of the Council for resource mobilization.

The Advisory Committee provides strategic direction to ensure that RIMES is abreast with current advances and emerging technologies for improving early warning, meets the needs of its Member States for improving responses to early warning, and has resources to implement actions relating to these.