In a statement, the IPMA said that the orange alert will be in effect in the three districts of northern mainland Portugal at least until 6 pm on 23 June, due to the persistence of very high maximum temperatures.

Bragança, Guarda, and Vila Real will then remain under yellow alert until 6 pm on 24 June, the institute added.

Also on 23 June, the districts of Viseu, Évora, Porto, Viana do Castelo, Castelo Branco, Coimbra, Braga, and Portalegre are under yellow alert due to hot weather.

The orange alert indicates a meteorological situation of moderate to high risk, representing the third level of severity on a scale of four and means that the weather is dangerous, requiring great attention and preparation.