Overview

• Peru’s Senamhi keeps an orange alert in force through today for Lima, Arequipa, La Libertad and 11 other regions, warning of snow, hail, sleet, moderate to heavy rain, lightning and strong gusts depending on altitude.
• Argentina’s SMN issues yellow alerts today for storms in Misiones, Corrientes, Formosa, Chaco and parts of Santa Fe, Santiago del Estero and Salta, with 30–70 millimeters possible in short periods, frequent lightning, occasional hail and intense gusts.
• A yellow wind alert also covers Santa Cruz and southern Chubut, where sustained winds of 40–60 km/h and gusts over 90 km/h are expected, with stronger winds forecast to escalate to orange on Wednesday in parts of Chubut and northern Santa Cruz.
• The SMN’s quarterly outlook warns of a high likelihood of extreme heat from October to December across much of Argentina, with Córdoba carrying the highest probability of exceeding historical temperature values.
• Seasonal guidance expects near‑normal rainfall in most regions through December, with a higher chance of excess rain in the northwest, while local forecasts note a 40–60% chance of up to 10 mm and possible late‑day storms in Salta and AEMET‑based forecasts keep Galicia dry.