Overview
- SMN and Conagua report the front crossing the Yucatán Peninsula and forecast it will enter the Caribbean by late Tuesday, while the Arctic air mass keeps hazardous cold and winds through midweek.
- Torrential rain is forecast for Veracruz and Oaxaca with intense totals in Chiapas and Tabasco, alongside Norte winds of 90–110 km/h in the Isthmus and Gulf of Tehuantepec and seas up to 4–5 meters.
- Minimum temperatures are projected to plunge to −15 to −10 °C in mountains of Chihuahua and Durango, with subzero lows in multiple sierras and conditions for snow or sleet on Pico de Orizaba and Cofre de Perote.
- Puebla suspended in-person classes at 14,789 schools and Hidalgo halted classes in 34 municipalities, while Mexico City issued yellow and orange cold alerts with early Tuesday lows near 1–3 °C in several boroughs.
- Protección Civil activated command posts in Puebla, Veracruz and Hidalgo and urged precautions on heating safety, avoiding river crossings during downpours, and monitoring official updates.