The three districts will be under yellow warning between 12 pm today and 6 pm on Thursday.

The yellow warning, the least serious on a scale of three, is issued by the IPMA whenever there is a risk situation for certain activities dependent on the meteorological situation.

The IPMA forecasts for today on the mainland are partly cloudy or clear skies, moderate winds along the coast, especially during the afternoon, the possibility of fog in some areas of the central coast, and rising temperatures, especially in the south.

Minimum temperatures will range between 14 degrees Celsius (in Bragança and Guarda) and 23 (in Faro) and maximum temperatures will be between 25 degrees (in Aveiro) and 37 (in Évora and Beja).