KUALA LUMPUR, July 21 -- Thunderstorms, heavy rain and strong winds are expected to hit several areas across the country, including parts of Perlis, Kedah, Perak, Selangor, Johor and Sarawak, according to the Malaysian Meteorological Department (MetMalaysia).

In an advisory issued at 3.45pm today, MetMalaysia said the weather conditions were expected to persist until 6pm in affected areas.

The warning covers Kedah, including Langkawi, Kubang Pasu, Padang Terap, Sik, Baling, Kulim and Bandar Baharu, as well as Perak and several districts in Kelantan, Terengganu and Pahang.

In Selangor, affected areas include Sabak Bernam, Kuala Selangor, Hulu Selangor, Klang, Gombak, Petaling and Hulu Langat, while Kuala Lumpur has also been placed unde...