The Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA) has issued warnings for a prolonged period of intense, dry heat across the country. Temperatures are expected to reach 43°C in regions such as the Tagus Valley and Alentejo, with yellow and orange warnings in place for several districts including Viana do Castelo, Braga, Porto, and Setúbal.
IPMA warns of prolonged heatwave reaching 43 degrees
Tuesday, 30 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
- Thermometers to reach 43 degrees in PortugalJornal de Notícias ·
- IPMA forecasts highs of 43 degrees and places seven districts under orange warningpublico.pt ·
- Only eight municipalities escape high fire riskcmjornal.pt ·
- IPMA forecasts temperatures up to 43 degrees and issues yellow warnings for Viana do Castelo, Braga, Porto, and Setúbalrtp.pt ·
