From September 1-5, 2025, the COSMO community will gather in Basel, Switzerland, for the COSMO General Meeting 2025. This annual meeting serves as a key forum for member institutions and partners to review progress, discuss model developments, and coordinate future activities. The program includes plenary sessions and working group meetings, where participants will present research and development results from ongoing COSMO activities and priority projects. Additionally, the meeting provides a platform to assess the evaluation and verification results of the ICON and COSMO models, which are operational in multiple countries. This year’s meeting will be hosted at the University of Basel, providing an excellent environment for scientific exchange and collaboration.