According to MetMalaysia, thunderstorms are expected tonight in Perlis, Kedah, Penang, Pahang, Perak, Kelantan, Terengganu and several areas in Sarawak and Sabah.

They are also expected tomorrow morning in Penang and Sarawak (Sri Aman and Sarikei) in addition to rain in one or two places in Perak, Selangor, Putrajaya, Negeri Sembilan, Melaka, Johor and some areas in Sarawak.

Tomorrow evening, thunderstorms are expected in Sabah, Sarawak and Peninsular Malaysia with the exception of Putrajaya, Melaka and Labuan while at night, they are expected in Pahang, Labuan and some areas in inland Sabah.

Meanwhile, rain is forecasted in Sibu, Kapit, Bintulu, Miri and Limbang districts in Sarawak and Sabah west coast areas tomorrow night.

On Friday morning, MetMalaysia predicts thunderstorms to occur in Penang and Sabah (Tawau, Sandakan and Kudat), in addition to rain in Melaka, Johor, Sabah (inland and west coast) and Labuan.

In the evening, thunderstorms are expected nationwide with the exception of Melaka, some areas in Sarawak (Kuching, Serian, Samarahan, Mukah and Lembing) and Labuan.

At night thunderstorms are expected to occur in Pahang, Kelantan, Terengganu and Sabah (inland and Tawau) and Labuan.

In a separate statement, the National Disaster Control Centre (NDCC) said although the water level at Sungai Bernam, Selangor was at the 2.35m danger point this morning, it was showing a downward trend.