El Niño in Colombia: Monitoring, Forecasts and Sectoral Information

Thematic webpage of Colombia's Institute of Hydrology, Meteorology and Environmental Studies on the evolution and possible effects of El Niño in the country. The update of 8 October 2026 presents the official declaration of the phenomenon after five rolling quarters under El Niño conditions and reports an 83% probability of strong to very strong intensity through the first quarter of 2027. The resource explains that these events have historically increased temperatures, reduced rainfall in some territories, placed pressure on water resources and created conditions favorable to vegetation fires. It also provides access to territorial information, forecasts, warnings, river levels and flows, and variables to be monitored by the agricultural, water supply, energy, risk management and health sectors to support informed decisions and anticipation of possible impacts.