Meteorological forecasts point to a strong rise in temperatures between Friday and Monday on the mainland, which could reach more than 30 degrees on Sunday, the Portuguese Institute for the Sea and Atmosphere (IPMA) said on Friday.
In the Tagus and Alentejo valley region, the maximum temperature will reach between 35 ° C and 37 ° C.
The IPMA also forecasts a small rise in minimum temperatures, which should reach between 10 ° C and 15 ° C in the north and center and 15 ° C and 20 ° C in the south.
This situation remains unchanged at the beginning of next week.
The intensification of an anticyclone in the region of the British Isles from Saturday takes to that is installed in the Iberian Peninsula a flow of east, bringing to the continent a mass of warm and dry air of the interior of the peninsula.