South-west monsoon condition is gradually establishing over the country, said the Meteorology Department.
Showers will occur at several places in Western, Sabaragamuwa, Central, North-Western and southern provinces.
Fairly heavy rainfalls above 50 mm can be expected at some places in Kaluthara, Galle, Matara, Rathnapura, Kegalle and Nuwara-Eliya districts.
Showers or thundershowers may occur at several places in Eastern and Uva provinces and in Polonnaruwa district after 02.00 p.m.
Wind speed can be increased up to 40 kmph at times over the island.
General public is kindly requested to take adequate precautions to minimize damages caused by lightning activity and localized strong winds during thundershowers.