The Department of Meteorology predicts heavy falls about 100 mm at some places in the Northern, Eastern, North-Central, Uva and Central provinces and in the Galle, Matara, Kalutara and Kurunegala districts.
The Met Department said showers or thundershowers will occur at several places in Sabaragamuwa province and in coastal areas of the Western and North-western provinces in the morning.
It predicts temporary localized strong winds during thundershowers while the general public has been requested to take adequate precautions to minimize damages caused by lightning.