There could be heavy showers above 75 mm in the Western, Sabaragamuwa and North-Western provinces and in Kandy, Nuwara-Eliya, Galle and Matara districts during the afternoon or night, the Meteorology Department said. 

They said showers forecast in the Northern, Eastern, Uva and North-Central provinces and in southern coastal areas during the morning.

Meanwhile, showers are expected in sea areas off the coast from Kalutara to Pottuvil, via Galle and Matara. Thunderstorms are expected in other coastal areas around the island.