According to the Portuguese Institute of the Sea and the Atmosphere (IPMA), the warnings are in place for the districts of Vila Real, Bragança, Viseu, Guarda, Castelo Branco, Santarém, Portalegre, Évora and Beja.

The IPMA predicts hot weather today with periods of very cloudy skies and a rise in maximum temperatures on the coast.

The forecast also points to showers, which will be locally accompanied by thunderstorms, hail and gusts of wind, especially in the North and Centre regions.

The minimum temperatures will fluctuate between 15ºC in Viana do Castelo, Braga and Leiria and 23ºC in Portalegre and the maximum between 30ºC in Aveiro and 39ºC in Évora.