Following earlier forecasts of intense heat through late December, the National Meteorological Service (SMN) issued an orange alert for extreme temperatures on Sunday, December 28, in CABA, with a yellow alert continuing amid the ongoing heatwave in Buenos Aires and AMBA.
As predicted in prior SMN forecasts detailing temperatures up to 35°C from December 29-31 (with December 28 forecasted at a maximum of 32°C), the National Meteorological Service has now activated specific alerts for the heatwave impacting Buenos Aires and the Metropolitan Area of Buenos Aires (AMBA).
An orange alert took effect for Sunday, December 28, 2025, in the Autonomous City of Buenos Aires (CABA), signaling severe daytime heat conditions. A yellow alert persists for extreme temperatures in Buenos Aires province, with warnings extending through the week.
SMN experts continue to monitor the situation, providing updates on when relief from the intense heat is expected. The public is urged to follow health advisories to mitigate risks from the Southern Hemisphere summer heat.
