Overview
- Mexico City’s civil protection agency activated a Yellow Alert for early January 4 in Álvaro Obregón, Cuajimalpa, Magdalena Contreras, Milpa Alta, Tlalpan and Xochimilco with forecast lows of 4–6°C.
- The SGIRPC published emergency numbers (911, Locatel 55 5658 1111, SGIRPC 55 5683 2222) and urged layered clothing, skin protection, hydration and safe ventilation when using heaters.
- Mexico’s national meteorological service forecast Cold Front No. 26 moving across the north and northeast, affecting Coahuila, Nuevo León and Tamaulipas with a sharp temperature drop and strong gusts.
- For Nuevo León, the SMN anticipates -5 to 0°C minimums with frost and winds of 10–20 km/h with 30–50 km/h gusts, alongside zero rain probability in key municipalities including Monterrey and Guadalupe.
- Elsewhere, official forecasts call for routine conditions: Santa Fe and Córdoba in Argentina expect 18–20°C minimums with highs near 29–30°C and cloudiness, while Galicia in Spain remains mostly cloudy, cool and breezy with very low rain chances.