Overview
- National forecasts call for very heavy to torrential rainfall across Puebla, Veracruz, Oaxaca, Chiapas and Tabasco, with flood, river-rise and landslide risk this weekend.
- An intense 'Norte' is set for Gulf and Isthmus coasts, with gusts up to 100–120 km/h in Veracruz and seas of 4–5 meters extending to the Gulf of Tehuantepec.
- Temperatures will plunge nationwide, with minima near −20 °C in highland Durango and −15 to −10 °C in Chihuahua, plus widespread frost.
- Snow, sleet or freezing rain is possible in mountainous areas of Coahuila, Nuevo León, Durango, and later Chihuahua and Sinaloa, prompting travel caution.
- Authorities issue safety guidance and local updates, including cold-morning alerts for Mexico City Jan 11–13 and a slight warmup in Sonora from Sunday; in Buenos Aires, Saturday storms give way to sun Sunday and a rapid return to heat.