The forecast through August indicates widespread intense water deficits in Brazil south of the Amazon while surpluses north of the river shrink. Exceptional deficits are also forecast along the Paraguay and Paraná Rivers. Deficits elsewhere include northeastern Colombia, central Peru, and Chile.

The forecast through July indicates widespread water deficits in Brazil south of the Amazon, exceptional in many regions. Exceptional deficits are also forecast along the Paraguay River through its namesake and along the Paraná River through Brazil, Paraguay, and Argentina.

The forecast through June indicates that water deficits will remain widespread in Brazil, while shrinking elsewhere, and will be exceptional in many pockets but especially in Mato Grosso do Sul and São Paulo States. Exceptional deficits are also forecast along the Paraguay and Paraná Rivers.

The forecast through May indicates that water deficits will shrink and downgrade overall but remain widespread in Brazil with exceptional anomalies in Mato Grosso do Sul and São Paulo State. Areas of surplus include eastern Colombia and pockets in the Guianas region.

The forecast through April 2021 indicates that water deficits will shrink considerably overall but will remain widespread in Brazil and southern Chile, and will be severe to exceptional on the Paraná River. Surpluses will emerge in a wide belt across the northern portion of the continent.