Overview
- Argentina’s meteorological service issued a yellow alert for the Buenos Aires metro and several provinces, warning of evening and night storms with frequent lightning, occasional hail, gusts up to about 70 km/h and 20–50 mm of rain.
- Mendoza remains under a yellow alert with a key episode expected Thursday as a cool front brings intermittent rain and a drop in temperatures, with potential effects on high‑mountain travel.
- Mexico’s Cold Front 19, stationary over the Yucatán Peninsula, is producing strong rains of 25–50 mm in Chiapas (east), Campeche, Yucatán and Quintana Roo, while an approaching Front 20 will bring 30–50 km/h wind gusts to the north and northeast.
- Forecasts in Mexico call for very cold nights in highlands with minimums from −10 to −5 °C in the mountains of Chihuahua and Durango, alongside scattered showers across parts of the center and south.
- In Catamarca, Argentina, residents reported turbid tap water after recent rains and a major pipeline repair; the utility says the supply remains potable, is under monitoring, and may clear after purging household lines.