Current conditions
Maps of observed precipitation conditions, individual graphics by basin are produced from MERGE/GPM data generated by INPE/CPTEC, considering the period from de 2000 a 2025. Between March 31 to April 29, 2026, below-average rainfall resulted in a precipitation deficit along the main course of the Amazon River in Brazilian and Peruvian territories, as well as in the watersheds of the Coari, Curuá Una, Içá, Japurá, Javari, Juruena, and Jutaí rivers, Mamoré, the left-bank basins of the Amazon River in northeastern Amazonas State and in the northeast and northwest of Pará State, as well as the Napo, Negro, Purus, Tefé, Teles Pires, Xingu, and the main course of the Solimões River; above-normal rainfall recorded in the watersheds of the Aripuanã, Ji-Paraná, and Ucayali rivers; near-normal rainfall recorded in the watersheds of the Abacaxis, Beni, Branco, Guaporé, Iriri, Juruá, Madeira, Marañon, and Tapajós rivers. The multimodel indicates, for the period from March 4, 2026, to March 10, 2026, a forecast of rainfall below normal levels concentrated mainly in the eastern part of the monitored region, over the main course of the Amazon River in Brazilian territory, and the basins of the Abacaxis, Aripuanã, Beni, Branco, Curuá Una, Guaporé, Iriri, Ji-Paraná, Juruena, and Mamoré rivers; the basins on the left bank of the Amazon River in the northeast of the state of Amazonas and in the northeast and northwest of the state of Pará; and the Tapajós, Teles Pires, and Xingu rivers; forecast of above-normal rainfall over the main course of the Amazon River in Peruvian territory and the basins of the Coari, Javari, Jutaí, and Marañon rivers.