The National Weather Service has issued yellow and orange alerts for storms, rain, and winds on Tuesday, March 17, 2026, across multiple Argentine provinces. The warnings cover areas from north to south of the country, according to TN reports. Severe weather conditions are expected in the affected zones.
The Servicio Meteorológico Nacional (SMN) issued multiple weather alerts around 3:00 a.m. on March 17, 2026, valid for that Tuesday. Yellow alerts for storms apply to Salta, Misiones, Santiago del Estero, Formosa, Corrientes, Chaco, Entre Ríos, and Río Negro. La Pampa has a yellow alert for storms and wind, Chubut for wind, and Santa Cruz for rain and wind. CABA has a yellow alert for storms. Orange alerts for storms are for San Luis, Córdoba (province and city), Santa Fe, and Buenos Aires. Neuquén, Tierra del Fuego, Río Gallegos (Santa Cruz), and Ushuaia have orange alerts for rain. A prior TN report from March 16 mentioned yellow alerts in Buenos Aires and 15 provinces, later updated to orange in some cases. Descriptions indicate 'possible severe weather conditions during the day'.