According to the Portuguese Institute of the Sea and the Atmosphere (IPMA), the yellow warning for these three districts will be in effect between 12 pm and 9 pm on 24 April.

IPMA forecasts very cloudy periods, showers and thunderstorms inland, especially during the afternoon, and moderate northwest winds from the afternoon onwards.

The forecast also indicates morning fog or mist in some places, especially on the North and Central coast, a slight increase in minimum temperatures and a slight decrease in maximum temperatures in the North and Central interior.

In the southern region, a slight increase in maximum temperatures is expected.