The red warning, the most serious, is active from 4:30 am and at least until 11:00 pm today, according to the IPMA.

These notices will turn orange until the end of Tuesday in Évora, Santarém, Castelo Branco and Portalegre.

In the districts of Lisbon and Setúbal, the warning changes to yellow from 23:00 today, remaining until the end of Tuesday.

Braga and Beja are also under an orange warning until the end of today, while in the districts of Viseu, Leiria and Coimbra the orange warning remains until the end of Tuesday, then changing to yellow.

In Bragança and Guarda, the orange warning remains active until 23:00 on Wednesday.

Of the 18 districts of mainland Portugal, Faro is the only one that will not be under any type of warning in the coming days, according to the IPMA.

In view of the weather forecasts for the coming days, the Government is considering declaring an alert situation due to the high danger of rural fires, the Secretary of State for Civil Protection said today.

According to the institute responsible for the meteorological service, since Saturday there has been a general increase in maximum temperature values, “with emphasis on some places in the central and southern regions, with observed values above 40°C [degrees Celsius]”.

For today, the IPMA predicts a slight rise in temperature in the North and Center and the continuation of warm weather with clear skies.

As for temperatures, the minimum will vary between 14ºC (Bragança) and 28ºC (Portalegre) and the maximum between 29ºC (Faro and Sines) and 44ºC (Évora).