Thunderstorms and heavy rainfall are forecasted to occur starting from 23 April 2026, 17:05 WITA in parts of Kalimantan Selatan especially in: Aluh Aluh, Angkinang, Astambul, Banjarbaru Selatan, Banjarbaru Utara, Barabai, Beruntung Baru, Binuang, Bungur, Daha Barat, Daha Selatan, Kalumpang, Kandangan, Karang Intan, Kintap, Labuan Amas Selatan, Labuan Amas Utara, Landasan Ulin, Liang Anggang, Martapura, Martapura Barat, Martapura Timur, Mekarsari, Muara Uya, Pandawan, Panyipatan, Pelaihari, Salam Babaris, Satui, Simpang Empat, Simpur, Tabunganen, Takisung, Tamban, Tapin Selatan, Tatah Makmur. 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 23 April 2026, 19:00 WITA.