世界气象大会
世界气象大会是本组织的大会和最高机构。它召集会员（含会员国和地区会员）的代表，每四年召开一次，以便：
- 制定本组织运作的总体政策；
- 评估会员资格申请，
- 制定总则、技术规则、财务条例和人事条例，
- 确立并协调WMO各组成机构的活动，
- 批准长期计划和下一财期的预算；
- 选举本组织主席和副主席以及执行理事会成员，
- 任命秘书长。
The Extraordinary Session of the World Meteorological Congress (Cg-Ext 2025)
Cg‑Ext(2025) will 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.
