The Department of Meteorology says thundershowers are expected in several areas in the afternoon or night today.
The department said several spells of showers will also occur in the Eastern and Uva provinces and in the Polonnaruwa and Matale districts.
Showers or thundershowers will occur at several places in the Western, Sabaragamuwa, Northwestern and Southern provinces and in the Kandy and Nuwara-Eliya districts during the afternoon or night.
Fairly heavy showers above 50mm are likely at some places in the Western and Sabaragamuwa Provinces.
Misty conditions can be expected at some places in the Western, Central, Sabaragamuwa and Uva provinces during the morning.
Meanwhile, several spells of showers will occur in the sea areas off the coast extending from Pottuvil to Trincomalee via Batticaloa.
Showers or thundershowers will occur at several places in the sea areas off the coast extending from Puttalam to Galle via Colombo during the night.
Winds will be north-easterly and wind speed will be 25-35 kmph. Wind speed may increase up to 40 kmph at times in the sea areas off the coast extending from Kankasanthurai to Colombo via Mannar and Puttalam and from Galle to Pottuvil via Hambantota.
The sea areas off the coast extending from Kankasanthurai to Colombo via Mannar and Puttalam and from Galle to Pottuvil via Hambantota will be fairly rough at times. The other sea areas around the island will be moderate. (NewsWire)