Overview

• Mexico City remains under a yellow alert as SGIRPC forecasts heavy afternoon and evening rains with electrical activity and possible hail across nine boroughs.
• AEMET has extended Spain’s heatwave warning to at least August 13, forecasting interior temperatures of 36–40°C and potential isolated storms in the Tajo, Guadiana and Guadalquivir valleys.
• Local forecasts in Galicia predict clear, hot and dry conditions through August 8, with maximum temperatures around 34°C and zero precipitation expected.
• Argentina’s Servicio Meteorológico Nacional issued yellow alerts for extreme cold on August 8 in eastern Buenos Aires, San Luis, Entre Ríos and Corrientes, cautioning that low temperatures pose health risks to vulnerable groups.
• The suite of alerts reflects varied atmospheric drivers of late-summer extremes, from Mexico’s monsoonal storms to Saharan air inflows fueling heat in Spain and polar air pulses sparking cold snaps in Argentina.