The Meteorology Department said that thundershowers could occur in the Sabaragamuwa, Central and Uva Provinces as well as in the districts of Galle, Matara and Kalutara.
The Department further said that certain places could experience heavy rains between 75 – 100 mm.
At the same time, the speed of winds in the sea areas from Puttalam to Colombo, across Hambantota to Pottuvil could increase to between 70 to 80 kilometers per hour.