The Portuguese Institute for the Sea and the Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA) has issued weather warnings as a hot air mass from North Africa pushes temperatures as high as 42ºC. While coastal areas remain cooler, interior regions face extreme heat and the prospect of tropical nights with temperatures staying above 20ºC. Three districts are currently under an orange alert, with eleven others under a yellow warning.
Heatwave brings temperatures up to 42ºC across Portugal
Sunday, 21 June 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.
