The low pressure area over Sri Lanka, located in the south is likely to further develop and move towards North - West, which is towards the Arabian Sea, the Meteorology Department said.
Fairly strong gusty winds of above 45-50 kmph are expected particularly in the North-Central province and in Galle and Matara districts.
Heavy rains of above 75-100 mm are expected particularly in Southern, Uva and Eastern provinces and in Matale and Polonnaruwa districts.
The Met. Department urged the public to take adequate precautions to minimize damages caused by lightning activity.