Overview

• Argentina’s national weather service issued a yellow alert for Monday 25 August covering eastern Buenos Aires province and Tierra del Fuego, with west winds of 35–55 km/h and gusts up to 80 km/h.
• Authorities advise avoiding outdoor activities, securing loose items and keeping an emergency kit with a flashlight, radio, key documents and a phone.
• Model guidance and SMN forecasts point to a Tormenta de Santa Rosa impacting Buenos Aires and Santa Fe on Saturday 30 August with heavy rain, hail and strong gusts, while Salta remains forecast to stay dry through at least 5 September.
• AEMET and Euskalmet expect an Atlantic trough to increase clouds on Tuesday and bring a notable temperature drop with locally strong or stormy rain from Wednesday in Bizkaia, following a sunny Monday near 28°C.
• Local AEMET-based forecasts show clear, dry conditions across many Galician towns on Monday, Barcelona mostly cloudy with rain chances rising to about 70% in the afternoon, and Asturias clearing to a sunny afternoon with slightly higher minimum temperatures.