The Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA) has issued warnings for a prolonged heatwave starting Monday, with temperatures expected to reach 44°C in some areas. The extreme weather, characterized by tropical nights and low humidity, will primarily affect the interior, Centre, and Alentejo regions, significantly increasing fire risks.
Portugal braces for intense heatwave with temperatures reaching 44°C
Sunday, 28 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.
4 sources
- Heat to continue next week and Portugal is no exceptionSIC Notícias ·
- Get ready: a prolonged heatwave is coming that could bring temperatures of up to 44 degreescnnportugal.iol.pt ·
- First days of July bring heat well above normal, with highs of up to 43 degrees and tropical nightsdn.pt ·
- IPMA warns of a week of hot days and tropical nights in mainland Portugalrtp.pt ·
