Overview
- Spain’s state weather service AEMET issued a heat episode alert that covers 13 autonomous communities with orange warnings in Toledo and Cuenca and forecast highs near 40–42°C in local hot spots.
- Local forecasts in Galicia, using AEMET data, show clear, dry conditions with several towns expecting daytime maxima up to about 41°C and a 0% chance of rain for the day.
- Argentina’s Servicio Meteorológico Nacional kept orange and yellow alerts in force for August 18, with central Entre Ríos under an orange storm warning that forecasts intermittent heavy rain of 80–100 mm, hail and frequent lightning.
- SMN also issued yellow warnings for strong winds, heavy snow in cordilleran zones and extreme cold in selected provinces, with expected wind gusts that may exceed 120 km/h in some areas.
- Both agencies attached practical safety guidance—stay hydrated and avoid outdoor exertion in heat, secure loose objects and seek shelter from storms, and prepare for transport and agricultural impacts from flooding, hail or snow on Tuesday, August 18, 2026.