The weather forecast for Santiago del Estero this Sunday, February 22, 2026, predicts a maximum temperature reaching 29°C and a minimum of 23°C. According to the National Meteorological Service (SMN), light winds of 8 km/h are expected along with an average humidity of 76%. The morning hours are forecasted to experience light rainfall totalling around 1 mm, with humidity levels remaining at 76% and gentle breezes from the south.

As the day progresses into mid-morning, conditions are anticipated to improve with no expected rainfall. The forecast suggests a drop in humidity to 72%, with continued light winds from the south at 8 km/h. In the afternoon, the weather is expected to remain dry with no precipitation forecasted, and winds are predicted to decrease slightly to 6 km/h from the southeast.

However, as evening approaches, a change is expected with light rainfall anticipated again, accumulating to about 1 mm. Overall, the balance of weather conditions throughout the day shows mild temperatures, humidity levels consistent with the region's climate, and intermittent light rains in the later hours, characteristic of the summer season in Argentina.