Met Department says showers or thundershowers will occur over most provinces in the island after 2 pm.
Showers may occur in the Western, North-Western and Southern coastal areas during the morning too.
Fairly heavy falls about 75mm can be expected at some places, particularly in the Western, Sabaragamuwa, Central, Southern and Uva provinces.
There may be temporary localized strong winds during thundershowers.
The Met Department also requests the general public to take adequate precautions to minimize damages caused by lightning activity.
Showers or thundershowers will occur at several places in the sea areas off the coast extending from Puttalam to Hambantota via Colombo and Galle.
Heavy showers can be expected in the South-western sea areas.
Temporarily very strong gusty (up to 70-80 kmph) winds and rough seas can be expected during thundershowers.