The extraordinary session of the World Meteorological Congress (Cg-Ext(2025))

The extraordinary session of the World Meteorological Congress (Cg‑Ext(2025)) is scheduled to take place from 20 to 23 October 2025 at the WMO Headquarters in Geneva, Switzerland, preceded by the virtual extraordinary session of the Financial Advisory Committee (FINAC‑Ext(2025)) on 14 October 2025 and followed by the extraordinary session of the Executive Council (EC‑Ext(2025)) on 24 October 2025 at the WMO Headquarters in Geneva, Switzerland. The extraordinary sessions of Congress and Executive Council will be conducted as in-person meetings with the possibility of online participation.

FINAC‑Ext(2025) 14 October 2025, virtual

Cg-Ext(2025) 20-23 October 2025, Geneva, Switzerland

EC-Ext(2025) 24 October 2025, Geneva, Switzerland

Registration

Online registration is now open for FINAC‑Ext(2025), Cg-Ext(2025), and EC-Ext(2025). Pre-registration is required for all participants. Please visit the Online Registration tab on the left for more details.

Tentative Workplan

The detailed session agenda can be found in the Tentative Workplan tab on the left.

Information Documents

All information documents can be accessed and downloaded from the Information Documents section of this website.

Working Languages

Simultaneous interpretation will be available in all six UN official languages (English, French, Spanish, Arabic, Chinese, Russian) throughout the sessions.

Accessibility

WMO is committed to ensuring accessibility for all participants. If you have any accessibility needs, please contact registration@wmo.int in advance.

Information for participants

Practical information about your visit to Geneva and access to WMO Headquarters can be found in the Information for Participants note below. This includes details on venue access, security, transport, and other logistical support.

Information Note for Participants.pdf