The National Meteorological Office has issued a level-two weather alert warning of intense thundery rain, with expected accumulations ranging from 20 to 40 mm. The provinces affected include Mostaganem, Tiaret, Relizane, Mascara, Tlemcen, Aïn Témouchent, Oran, Sidi Bel Abbès, Saïda, Naâma, El Bayadh, and Béchar. This alert remains valid from Monday until Tuesday morning.