Overview

• Mexico’s weather service forecasts widespread storms on August 27, with very heavy to intense rainfall (75–150 mm) in parts of Sonora, Chihuahua, Sinaloa, Puebla, Veracruz and Oaxaca, and 50–75 mm in several central and Pacific states.
• For the Valley of Mexico, SMN projects strong to very strong accumulations of 50–75 mm in Ciudad de México and Estado de México with lightning, possible hail, and afternoon-to-nighttime development.
• Officials caution about urban flooding, landslides, rising rivers, fallen trees or structures and reduced visibility, urging residents to heed local alerts and avoid risk areas.
• Highland areas of Edomex will start cold, with SMN expecting lows near 9°C in Toluca and 8°C in Tenango del Valle before a cool-to-mild afternoon.
• In Argentina, Mendoza, Córdoba and Rosario keep a midweek “miniprimavera” near 22–24°C before a weekend shift to isolated storms and cooler readings, with the Buenos Aires metro given a higher chance of rain on Saturday and Sunday.