The Met Department says that showers or thundershowers will occur at times in the Eastern, Uva and central province and in Polonnaruwa district.
Showers or thundershower will occur in Sabaragamuwa, Western, Southern and North-Western provinces particularly during afternoon, it says.
Moreover, the department says that heavy falls (about 100mm) can be expected at some places in the Sabaragamuwa province and in Nuwara Eliaya, Galle and Matara districts.
There may be temporary localized strong winds during thundershowers.
General public is requested to take adequate precautions to minimize damages caused by lightning activity.