Thunderstorms and heavy rainfall are forecasted to occur starting from 30 January 2026, 02:50 WITA in parts of Kalimantan Timur especially in: Anggana, Barong Tongkok, Bontang Barat, Bontang Selatan, Bontang Utara, Gunung Tabur, Kelay, Marang Kayu, Melak, Mook Manaar Bulatn, Muara Badak, Muara Pahu, Segah, Sekolaq Darat, Teluk Pandan, Tering. 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 30 January 2026, 05:50 WITA.