Showers will occur in the Eastern and Uva provinces and in the Polonnaruwa, Matale and Hambantota districts today, the Met Department said.
Showers or thundershowers during the evening or night in the Western and Sabaragamuwa provinces and in the Galle and Matara districts.
Thundershowers will develop at several places in the Ratnapura, Galle and Matara districts.
The Meteorological Department warns the public to take necessary measures to reduce the risk of temporary strong winds and thunderstorms.