The National Meteorological Service (SMN) via Conagua Clima issued a general weather forecast at 06:00 hours on September 1, 2026, for Mexico. ^[1] The Servicio Meteorológico Nacional (SMN) of the Comisión Nacional del Agua (Conagua) forecasts an intense storm approaching Mexico with heavy rainfall, strong winds, and hail for up to 72 hours. ^[2] Tropical Storm Marie is expected to intensify into a hurricane in the Pacific Ocean, affecting Baja California Sur and the central Pacific coast with high waves and heavy rain. ^[3] A high-pressure circulation in the mid-atmosphere will create a very hot afternoon environment in northern Mexico, with heat waves prevailing in Coahuila, Nuevo León, and Tamaulipas starting from this day. ^[4] Heavy rainfall of 50 to 75 mm is forecast for southern Baja California, eastern and southern Sonora, central and southern Sinaloa, western Chihuahua, western Durango, western Zacatecas, central and eastern Nayarit, northwestern and western Jalisco, southwestern and western Guanajuato, central, southwestern, southern, and southeastern Hidalgo, northern and western State of Mexico, and eastern Guerrero. ^[5] The combined circulation of Hurricane Marie and the tropical waves will reinforce humidity in western states, generating very heavy rainfall in Zacatecas, Jalisco, Guanajuato, Hidalgo, State of Mexico, Guerrero, and Oaxaca. ^[6] Low-pressure channels and tropical waves will cause heavy rain and electrical discharges across the northeast, east, south, and southeast of Mexico, with possible hail in the west and center. ^[7] Wind speeds are forecasted to reach 30 to 40 km/h with gusts up to 70 km/h in Baja California Sur, and 20 to 30 km/h with gusts up to 60 km/h in Baja California, Coahuila, Nuevo León, Tamaulipas, Campeche, and Yucatán. ^[8]