West and Central Africa: 2026 Flooding Outlook (23 - 27 June 2026)

Forecasts for 23–27 June 2026 indicate a continued risk of flooding across parts of West and Central Africa due to widespread moderate and heavy rainfall. Approximately 4.2 million people could be exposed to flooding, including 1.5 million in areas expected to receive heavy rainfall and 2.7 million in areas forecast to experience moderate rainfall.

Nigeria is expected to be the most affected country, with more than 3.3 million people potentially exposed, followed by Liberia, Sierra Leone, Côte d’Ivoire, Ghana, Guinea, and Cameroon. Flood exposure could also affect approximately 117,000 buildings, 1,000 bridges, 97 schools, 256 health facilities, 5 airports, 1,100 km of roads, and 29,000 hectares of cropland.

The outlook highlights the importance of strengthening early warning systems, preparedness measures, and coordinated response efforts to reduce the potential humanitarian impacts of flooding across the region.