Nine districts in the Centre and South of mainland Portugal are under a yellow warning for rain tonight due to the passage of storm Regina, as reported by the Portuguese Institute of the Sea and the Atmosphere (IPMA). The affected districts include Viseu, Évora, Setúbal, Santarém, Leiria, Castelo Branco, Aveiro, Coimbra, and Portalegre.

Update: Additional Context on the Warning The yellow warning remains in effect as authorities urge residents to stay informed about weather updates and take necessary precautions to ensure public safety during the storm's passage.