Thunderstorms and heavy rainfall are forecasted to occur starting from 10 December 2025, 15:50 WIB in parts of Riau especially in: Bagan Sinembah, Bandar Petalangan, Bangko Pusako, Batang Gangsal, Bonai Darussalam, Bukit Batu, Bukit Kapur, Bunut, Cerenti, Dayun, Gaung, Kemuning, Kerinci Kanan, Keritang, Kerumutan, Koto Gasib, Kuala Cenaku, Lirik, Logas Tanah Darat, Lubuk Batu Jaya, Lubuk Dalam, Mandah, Mandau, Mandau, Pangkalan Kerinci, Pangkalan Kuras, Pangkalan Lesung, Pasir Penyu, Pelalawan, Pinggir, Pinggir, Pujud, Rantau Kopar, Rengat, Rengat Barat, Rupat, Siak Kecil, Siberida, Sungai Lala, Sungai Mandau, Tambusai Utara, Tanah Putih, Teluk Meranti, Tempuling, Ukui. 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 10 December 2025, 19:00 WIB.