Overview

• SMN posted yellow alerts for thunderstorms across Jujuy, Misiones, Corrientes and parts of Formosa, Chaco, Santa Fe and Salta, citing frequent lightning, occasional hail, brief heavy rain and gusts up to about 90 km/h with local totals of 40–80 mm.
• Separate advisories call for strong winds in sectors of Chubut, San Luis, Córdoba, La Rioja and San Juan, with sustained speeds near 35–50 km/h and gusts potentially reaching 80 km/h.
• Forecasts indicate showers and isolated storms returning to the Buenos Aires metropolitan area between Thursday and Friday, with localized rainfall of 20–40 mm after a warm stretch.
• Spring heat persists in parts of Argentina, with Santiago del Estero reaching about 36°C on Wednesday under partly cloudy skies and light northeasterly winds.
• Beyond Argentina, Hermosillo is shifting to cooler highs near 26–33°C with a possible indirect cold front around Oct. 18–21 and Sonora’s reservoirs are 86.4% higher year over year, while Galicia sees foggy, mostly dry conditions.