The Meteorological Department says that the lower atmosphere near the island will affect the weather in the next few days.
The Department said that showers or thundershowers will occur in many parts of the island.
Heavy showers of more than 100 mm will occur at some places in the Western, Southern, Sabaragamuwa and Central Provinces.
Showers will occur in the Western and Southern provinces during the morning too, the Met Department said.
The Meteorological Department warns the public to take necessary measures to reduce the risk of temporary strong winds and thunderstorms.