Thunderstorms and heavy rainfall are forecasted to occur starting from 06 April 2026, 00:05 WIB in parts of Riau especially in: Bandar Petalangan, Bandar Sei Kijang, Bangkinang, Batang Cenaku, Batang Gangsal, Batang Peranap, Bengkalis, Bonai Darussalam, Bukit Batu, Bukit Batu, Bukit Kapur, Bunga Raya, Bunut, Dayun, Enok, Gaung, Kabun, Kampar, Kampar Kiri, Kampar Kiri Hilir, Kampar Kiri Tengah, Kampar Timur, Kampar Utara, Kandis, Kelayang, Kempas, Kemuning, Kerinci Kanan, Keritang, Kerumutan, Koto Gasib, Kuala Cenaku, Kuala Indragiri, Kuantan Hilir, Kuantan Hilir Seberang, Kuantan Mudik, Kuantan Tengah, Kunto Darussalam, Langgam, Lirik, Lubuk Batu Jaya, Lubuk Dalam, Mandah, Mandau, Mandau, Marpoyan Damai, Medang Kampai, Mempura, Merbau, Minas, Pangean, Pangkalan Kerinci, Pangkalan Kuras, Pangkalan Lesung, Pasir Penyu, Payung Sekaki, Pelalawan, Perhentian Raja, Pinggir, Pinggir, Pucuk Rantau, Pusako, Rakit Kulim, Rantau Kopar, Rengat, Rengat Barat, Reteh, Rumbai, Rumbai Pesisir, Rumbio Jaya, Rupat, Sabak Auh, Salo, Sentajo Raya, Siak, Siak Hulu, Siak Kecil, Siberida, Sungai Apit, Sungai Batang, Sungai Lala, Sungai Mandau, Tambang, Tampan, Tanah Merah, Tanah Putih, Tapung, Tapung Hilir, Tapung Hulu, Tebing Tinggi Barat, Teluk Meranti, Tembilahan, Tembilahan Hulu, Tempuling, Tenayan Raya, Tualang, 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 06 April 2026, 03:30 WIB.