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 April 7 to May 6, 2026, below-average rainfall has 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 Branco, Coari, Içá, Japurá, Javari, Juruena, and Jutaí rivers, the left-bank basins of the Amazon River in the northeast of the state of Amazonas and the northeast of the state of Pará, as well as the Napo, Negro, Tefé, Teles Pires, Xingu, and the main course of the Solimões River; above-normal rainfall was recorded in the watersheds of the Abacaxis, Aripuanã, Beni, Gauporé, Ji-Paraná, and Ucayali rivers; rainfall close to normal recorded in the watersheds of the Curuá Una, Iriri, Juruá, Madeira, Mamoré, and Marañon rivers, the left-bank basins of the Amazon River in the northwest of the state of Pará, and the Purus and Tapajós rivers. The multimodel indicates, for the period from March 4, 2026, to March 10, 2026, forecastof below-normal rainfall prevailing in the monitored region, over the basins of the Abacaxis, Aripuanã, Branco, Coari, Curuá Una, Iriri, Japurá, Ji-Paraná, Juruena, and Madeira rivers; the basins on the left bank of the Amazon River in the northeast of the state of Amazonas and the northwest of the state of Pará; and the Napo, Negro, Purus, Tapajós, Tefé, Teles Pires, and Xingu; forecast of rainfall above climatological norms over the main course of the Amazon River in Brazilian territory, the basins of the Beni, Guaporé, Javari, Mamoré, and Marañon rivers, the basins on the left bank of the Amazon River in the northeast of the state of Pará, and the Ucayali.