Overview

• AEMET confirms a brief 'veranillo de San Miguel' with mostly clear skies and daytime highs above 30°C in the interior south and near 25°C in parts of the interior north.
• Local forecasts in Galicia and Asturias report dry, sunny conditions on 25 September with 0% rain probability, noting the anticyclone is expected to weaken toward the weekend.
• AEMET flags exceptions to the fair weather, including locally strong rain in northeast Catalonia, light precipitation on the eastern Cantabrian coast, and possible showers in Mallorca and Menorca.
• Mexico’s SMN/Conagua warns that the Mexican monsoon, a subtropical jet and Tropical Wave No. 34 will generate very strong to locally intense rains across the northwest, center and south.
• SMN/Conagua forecasts extreme heat of 40–45°C in parts of Baja California and Sonora, with storms capable of lightning and hail and a flooding risk in states such as Sinaloa, Nayarit and southern Chihuahua.