Argentina's National Meteorological Service (SMN) has issued a yellow alert for an intense heatwave in Buenos Aires, with temperatures rising from Friday, January 23, 2026, potentially reaching 36°C through Monday, January 26. Vulnerable groups like children and the elderly face risks of dehydration and heatstroke, prompting calls for precautions.
Forecasts from the SMN indicate a significant heatwave gripping Buenos Aires, beginning Friday, January 23, 2026. Sources vary slightly on the peak: Perfil reports a high of 36°C on Saturday, January 24 (starting at a low of 22°C), while TN anticipates the thermal maximum between Monday, January 26, and Tuesday, January 27, with weekend highs above 33°C. Minimum temperatures are expected around 22°C.
The yellow alert—the second level after orange—highlights health risks for children, the elderly, and those with chronic conditions. Recommended measures include drinking ample water, avoiding sun exposure from 10 a.m. to 4 p.m., wearing light-colored clothing, staying in cool ventilated areas, and refraining from strenuous exercise.
The alert remains in effect until Monday, January 26, affecting much of Argentina. Residents should monitor updates via official SMN channels.
