Overview
- Mexico’s weather service reports the front and its polar air mass expanding over the country, with very heavy rain forecast overnight into Thursday in Chiapas and Tabasco and strong falls in Veracruz and Oaxaca.
- A pronounced “Norte” will intensify through the Gulf and Isthmus, with wind gusts of 80–100 km/h in the Tehuantepec region, 60–80 km/h along Veracruz, and 40–60 km/h on other Gulf coasts, alongside rough seas reaching 3.5–4.5 meters in Tehuantepec.
- Morning temperatures will plunge with widespread frosts: down to -15 to -10 °C in high terrain of Chihuahua and Durango, -10 to -5 °C in Zacatecas, and -5 to 0 °C across many highland states including parts of Mexico City, with fog reducing visibility.
- Even as cold grips the interior, Pacific-facing regions will see daytime highs of 35–40 °C in Sinaloa, Nayarit, coastal Jalisco, Colima, Michoacán and Guerrero, underscoring sharp thermal contrasts.
- In parallel, Argentina’s meteorological service issued orange and yellow alerts for strong storms with hail and gusts up to 90 km/h across central provinces, with rain on Thursday expected to break short heat spells in Buenos Aires.