The National Meteorological Service (SMN) issued yellow and orange storm alerts for Friday, December 5, across multiple provinces, including Buenos Aires, Salta, and San Juan. The AMBA area faces an extremely hot day with a high of 34 degrees and no rain expected, while the alerts warn of potential hail, strong gusts, and heavy rainfall. These warnings target specific locations in the north and center of the country.
On Friday, December 5, 2025, the National Meteorological Service (SMN) activated weather alerts for storms across several regions of Argentina. Yellow alerts are in effect for Jujuy, Salta, Tucumán, La Rioja, Catamarca, San Juan, Mendoza, San Luis, and Buenos Aires, anticipating strong electrical activity, occasional hail, localized gusts over 70 km/h, and heavy rains with 20 to 40 mm accumulation in short periods.
In Buenos Aires, the yellow alert affects localities such as Magdalena, Chascomús, Castelli, Dolores, General Lavalle, and Mar del Tuyú. For the interior of Salta and San Juan, orange alerts indicate more severe conditions: hail, frequent electrical activity, gusts up to 90 km/h, and 30 to 70 mm of precipitation. Specific orange alerts cover in Salta the areas of Cafayate, Cachi, and the provincial capital; in Tucumán, Tafí Viejo, San Miguel de Tucumán, Monteros, Famaillá, Concepción, Aguilares, and Tafí del Valle; and in San Juan, the capital, Jáchal, and Calingasta.
Meanwhile, in the Buenos Aires Metropolitan Area (AMBA), the weather will be extremely hot with a high of 34 degrees and no precipitation expected. The SMN also issued an extreme heat alert for Entre Ríos. For the long weekend, a slight drop is forecast: Saturday with a high of 30 degrees and partial clouds; Sunday with 18-27 degrees; and Monday with possible isolated rains and temperatures of 18-26 degrees.
These alerts highlight the country's climatic variability, urging the public to exercise caution against potential impacts.