According to an advisory issued by the Portuguese Met Office, the affected districts are Santarém, Portalegre, Leiria, Castelo Branco, Guarda and Bragança. In the Algarve, six municipalities have been placed on red alert due to the threat of wildfires.

The warning covers Silves, Monchique, Portimão, São Brás de Alportel, Castro Marim and Aljezur.