The Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA) has placed the districts of Porto, Vila Real, Viana do Castelo, and Braga under a yellow warning. The alert, in effect until early morning, is due to forecasts of thunderstorms, heavy showers, and convective gusts.
Yellow weather warnings issued for four northern districts
Thursday, 25 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.



