Nature Reviews Earth & Environment, Published online: 26 May 2026; doi:10.1038/s43017-026-00794-yExtreme rainfall events in 2025 were globally associated with exceptional short-duration intensities consistent with hydrological intensification in a warming climate. A total of 46 events were considered, including 18 tropical cyclones and 10 convective storms, producing widespread flooding, economic losses and substantial societal impacts.