Formosa weather forecast for Thursday, June 18, 2026: mild day with overnight rain expected

Formosa is set for a mild Thursday, June 18, 2026, with temperatures ranging from a high of 22°C to a low of 12°C. The day will be characterized by light winds and high humidity, with a chance of moderate rain developing overnight.

The morning will be dry, with light northeasterly winds at about 10 km/h and humidity at a high 87%. By mid-morning, the wind speed will increase slightly to 17 km/h, still from the northeast, while humidity drops marginally to 82%.

Throughout the afternoon and evening, the weather will remain dry. Light northeasterly winds will continue, around 18 km/h in the afternoon and 17 km/h at night. However, the forecast indicates a shift towards precipitation overnight, with moderate rain expected.

The Servicio Meteorológico Nacional (SMN) is Argentina's official weather authority. It is responsible for collecting, analyzing, and disseminating meteorological information, including weather forecasts and early warnings for hazardous phenomena. The SMN operates using a network of weather stations, satellite imagery, and numerical prediction models.