Thunderstorms and heavy rainfall are forecasted to occur starting from 20 December 2025, 19:20 WIB in parts of Sumatera Selatan especially in: Bts. Ulu, Buay Madang, Buay Madang Timur, Dempo Tengah, Gunung Megang, Jayaloka, Kikim Timur, Lahat, Lawang Kidul, Lubai, Lubai Ulu, Lubuk Linggau Utara I, Merapi Barat, Merapi Timur, Mesuji, Muara Beliti, Muara Enim, Purwodadi, Rambang Dangku, Selangit, Stl Ulu Terawas, Suka Karya, Sumber Harta, Tanjung Agung, Tanjung Sakti Pumi, Tiang Pumpung Kepungut, Tuah Negeri, Tugumulyo. These conditions may lead to reduced visibility, strong winds, and localized flooding. The public is strongly advised to remain vigilant during this period, limit outdoor activities, and take all necessary precautions to ensure safety. Conditions are expected to gradually improve by 20 December 2025, 21:20 WIB.