Showers or thundershowers will occur at several places in the island during the evening or night tomorrow (31), the Meteorological Department said.
Heavy showers over 75mm are also possible in the Sabaragamuwa, Central and Uva Provinces and in some places in the Galle, Matara and Kurunegala Districts.
Meteorologists are urging the public to take necessary measures to reduce the risk of temporary strong winds and thunderstorms with thunder showers.