Municipalities in São Paulo, Paraná, and Mato Grosso do Sul are under storm warnings for this weekend.

The National Institute of Meteorology (Inmet) maintains a storm warning for this Saturday (12) in areas of São Paulo, Paraná and Mato Grosso do Sul. The warning is valid from 00:00 to 23:59 and predicts rain of 30 to 60 mm per hour or 50 to 100 mm per day, winds of 60 to 100 km/h and hail. According to the institute, there is a risk of power outages, damage to crops, falling trees and flooding.

In Paraná, the orange alert covers the Northern Pioneer region, Northwest, North Central, Central East, Central West, West, and the Metropolitan Region of Curitiba. In São Paulo, areas such as Presidente Prudente, São José do Rio Preto, Bauru, Piracicaba, Itapetininga, Araçatuba, Campinas, Araraquara, Marília, Assis, the Greater São Paulo Metropolitan Area, the São Paulo Metropolitan Area, the Southern Coast of São Paulo, and the Paraíba Valley are included. In Mato Grosso do Sul, the danger warning mainly affects areas in the southwest, east, and north-central parts of the state.

In addition to the orange alert, Inmet maintains a warning of potential danger for storms on Saturday in other areas of São Paulo, Paraná, and Mato Grosso do Sul, as well as parts of Minas Gerais and Rio de Janeiro. In these locations, rainfall volumes of 20 to 30 mm per hour or up to 50 mm per day are expected, along with winds of 40 to 60 km/h and the possibility of hail, with a low risk of power outages, damage to crops, falling branches, and flooding.

For Sunday (13), Inmet maintains a danger alert for accumulated rainfall in areas of Paraná, São Paulo and Mato Grosso do Sul. The warning predicts volumes of 30 to 60 mm per hour or 50 to 100 mm per day, with risk of flooding, landslides and river overflows in at-risk areas. The alert covers, among others, regions of Bauru, Itapetininga, Presidente Prudente, Marília and Assis, in São Paulo, and areas of the East and Southwest of Mato Grosso do Sul, as well as different regions of Paraná.

Also on Sunday, the yellow alert for storms remains in effect, with rainfall of up to 50 mm per day, winds of 40 to 60 km/h and the possibility of hail. According to Inmet's forecast, showers with thunderstorms should continue in the west, center, south and east of São Paulo, while in Paraná the rain should be concentrated mainly in the northwest, north and east. In Mato Grosso do Sul, showers are expected in the west, center and south of the state.