Overview

• SMN and Conagua forecast strong to very strong rainfall from September 30 to October 2 across large areas, including Durango, Zacatecas, Aguascalientes, Nayarit, Jalisco, Michoacán, Guerrero, Oaxaca, Tabasco, Campeche, Yucatán and Quintana Roo.
• Authorities caution that storms may bring frequent lightning, hail, rising rivers and arroyos, landslides and urban inundation in low-lying zones.
• Nayarit remains under multi‑day thunderstorm risk linked to Tropical Wave No. 35, with warnings extending through October 3 for electrical activity and possible hail.
• Two low‑pressure areas over the Pacific are under surveillance with about a 50% chance of tropical‑storm development in the coming days, according to Sonora’s civil protection.
• Northern and northwestern states stay hot with highs near 35–40°C in places such as Baja California and Sonora, while a cold front is forecast to reach the northwest on October 3–4 with gusty winds and a slight temperature drop.