Overview
- As of Sunday, the National Meteorological Service has yellow alerts for high temperatures across central areas, listing La Plata, Berisso, Ensenada and Brandsen, with Rosario and Santa Fe starting a stretch of very hot, humid days.
- Buenos Aires is forecast to reach 38°C on Sunday with a minimum near 25°C and a heat index above 40°C in dense urban zones, and forecasters expect very hot conditions to persist through New Year’s.
- Meteorologists project peaks near 37–40°C around Dec. 30–31, with models pointing to consecutive days of extreme heat and elevated night-time minima that raise health and energy‑demand risks.
- An advancing front could trigger isolated, potentially severe storms late Tuesday into Wednesday, bringing heavy rain, hail and gusts up to about 80 km/h with localized totals near 70 mm and a short-lived temperature drop of roughly 10°C by night.
- Authorities urge frequent hydration, avoiding sun exposure from 10:00 to 16:00, and close monitoring of vulnerable people; coastal Mar del Plata remains warm but milder (27.6°C on Saturday), while Galicia in Spain reports clear, much cooler conditions.