Overview
- Spanish agencies AEMET and Meteocat have active orange and red heat warnings across Catalonia and the Community of Madrid, with Lleida under the highest alerts.
- Forecasts project daytime highs commonly above 40°C and locally up to about 42–44°C, with unusually warm nights that increase heat‑stress and wildfire risk.
- Meteorological models and experts report rising atmospheric instability and a possible DANA toward the end of the week that could produce locally severe storms, heavy rain, hail and strong gusts.
- In Argentina the Servicio Meteorológico Nacional has issued cold‑extreme alerts for several northern and central provinces while AMBA faces frosty minima and Mendoza authorities warn of sub‑zero mornings and widespread agricultural frosts.
- Local bulletins from Galicia to Mendoza give granular guidance for travel, farming and health precautions, and officials urge people to follow regional advisories for heat safety, fire prevention or frost protection.