Overview
- The Servicio Meteorológico Nacional issued yellow alerts for the City of Buenos Aires, the AMBA and parts of Entre Ríos and Santa Fe for the early hours of Thursday morning, with the CABA alert set from 03:00 to 08:59.
- Forecasters said storms could be locally strong with short-period rainfall of 20–50 mm, frequent lightning, localized hail and gusts around 50 km/h during the alert window.
- By Thursday afternoon instability was waning and skies were clearing in many areas, but the SMN expanded yellow advisories for a total of about 11 provinces covering snow, strong winds and Zonda wind risks.
- A pronounced Antarctic cold front is forecast to arrive over the weekend and push AMBA nighttime lows into the single digits, with some forecasts showing weekend minima near 2–4°C and daytime highs substantially lower than midweek.
- Officials urged simple protective steps—avoid travel during severe conditions, secure loose objects, stay away from windows during storms and monitor real-time SMN updates—and noted concurrent international hazards such as heavy rains from Tropical Storm Marie in Mexico and a heat pulse in parts of Catalunya.