Overview

• Mexico’s weather service forecasts very heavy to intense rainfall of 75–150 mm in parts of Jalisco, Colima, Michoacán, Guerrero, Oaxaca, Chiapas and Veracruz, with additional strong showers across the northwest, center and Yucatán Peninsula.
• Tropical Storm Narda formed off Guerrero–Michoacán with sustained winds near 65 km/h and gusts to 75 km/h, driving heavy rain bands and surf of 2.5–3.5 m along Jalisco–Guerrero and 1.5–2.5 m along Oaxaca–Chiapas.
• Authorities warn of lightning, hail, strong gusts, flash flooding, landslides and rising rivers and arroyos, urging precautions and close attention to official updates.
• Argentina’s meteorological service issued an orange alert for severe storms in northern Misiones with 40–90 mm possible, plus yellow alerts for storms and strong winds across parts of Misiones, Formosa, coastal Buenos Aires, La Pampa, Santa Cruz and Tierra del Fuego.
• Spain’s Córdoba is set for an early‑week warm spell near 30–34 °C with little rain risk, and Peru’s Senamhi expects sunny, warmer afternoons in Lima through 26 September with highs around 25 °C.