Overview

• Mexico’s SMN/Conagua forecasts very intense rainfall bands in Jalisco, and in parts of Oaxaca and Veracruz, with strong to very strong storms across the northeast, center, south and southeast, including the Valley of Mexico.
• Mexico City’s risk agency flags a critical storm window from 16:00 to 19:00 with possible hail, frequent lightning and gusts near 50 km/h, urging residents to follow early warning advisories.
• Officials warn of urban flooding, landslides, dangerous currents, falling trees or objects, river and stream rises, and reduced visibility during downpours.
• Argentina’s SMN maintains yellow alerts for storms in Corrientes and southern Misiones, widespread strong winds across central and northern provinces, and cordilleran snow in Neuquén, Mendoza and parts of San Juan.
• AEMET-based local forecasts show Galicia dry and mostly clear on 21–22 August, with 0% rain probability, warm afternoons in the mid-20s to low-30s, and some morning humidity or fog clearing later.