The Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA) has issued yellow weather warnings for 14 of 18 districts on Monday due to high temperatures. Santarém is expected to reach 41°C, while many municipalities remain at maximum risk for rural fires following a week of extreme heat.
Heatwave triggers yellow weather warnings across mainland Portugal
Saturday, 25 July 2026AI summary
Context & Explainers
A red warning is the highest alert level issued by Portugal's weather agency, the Portuguese Institute for the Sea and the Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA), used when conditions pose a very high risk to life and property. Under a red warning authorities may close roads, suspend transport and advise people to avoid coastal and flood‑prone areas, so follow civil protection instructions during the Friday–Saturday storm period.
