Overview
- Mexico’s SMN and Conagua forecast Cold Front 28 to drive a polar air mass across the north and Gulf regions on Wednesday, bringing very cold mountain temperatures, dense fog and wind gusts of 50–70 km/h with a Norte in the Isthmus and Gulf of Tehuantepec.
- The Mexican outlook includes showers and locally strong rains from Veracruz to the southeast and Yucatán Peninsula, with risks of rising rivers, flooding, reduced visibility and, in high terrain, freezing road surfaces.
- Argentina’s SMN issued a yellow alert for Catamarca for Tuesday afternoon and night, warning of intense storms with hail, frequent lightning, short‑period heavy rain of 20–40 mm and wind gusts up to 80 km/h across capital and interior departments.
- Mendoza’s contingency office expects a hot Wednesday around 35°C followed by nighttime storms with a hail threat, with moderate northeasterly winds and a brief temperature dip forecast on Thursday.
- AEMET‑based municipal forecasts in Galicia call for a cool, mostly cloudy Wednesday with high chances of light rain and early thunder in several towns, modest accumulations and occasionally gusty winds easing by evening.