Overview

• Conagua and the SMN warn that tropical wave 20, the Mexican monsoon and an upper-level trough will bring heavy rain and possible thunderstorms to Michoacán, Guerrero, Oaxaca and Chiapas under active flood alerts.
• Northern Mexican states including Baja California and Sonora remain under extreme heat advisories as temperatures climb above 45 °C amid a sustained heatwave.
• AEMET’s special warning for the Valencian Community forecasts daytime highs over 40 °C and interior towns facing tropical nights, with El Toro recording a low of 9.1 °C overnight.
• Cantabria is under a yellow temperature alert from 13:00 to 21:00 for peak readings of 34–36 °C in Liébana and the Ebro valley, where Potes has already reached 31.0 °C.
• Local forecasts for Barcelona and Galicia predict clear skies, daytime highs of 25–30 °C in Barcelona and 29–38 °C in Galicia, and a 0 % chance of rain.