Due to the Southwest monsoon conditions, the prevailing showery and windy conditions are expected to continue, says the Meteorology Department.
Showers or thundershowers will occur at times in Western, Sabaragamuwa, Central, North-western, Southern and Northern provinces.
Very heavy showers about 150mm are likely at some places in Sabaragamuwa province and in Nuwara-Eliya districts.
Heavy showers above 100 mm are likely at some places in Western and North-western provinces and in Kandy, Mannar, Galle and Matara districts.
Showers or thundershowers will occur at several places elsewhere of the island, it said.
Strong winds of about 50-60 kmph can be expected at times over Western slopes of the central hills and in Northern, North-central, Western, Southern and North western provinces and in Trincomalee district.
Fairly strong winds about 30-40 kmph can be expected at times elsewhere of the island.
Meanwhile, the Department of Irrigation has warned of a minor flood risk surrounding the Kalu River and Attanagalu Oya.
Kuda River, a tributary of the Kalu River, is at minor flood level in Millakanda.
The Kalu River is at risk level in Putupawula and Magura, while Attanagalu Oya is at minor flood level in Dunamale.
The Kelani River is at risk level in Nagalagam Street, while the Nilwala River is at risk level in Thalgahagoda and Panadugama.
The Department of Meteorology predicted very heavy showers of about 150mm in the Sabaragamuwa province and in the Nuwara-Eliya district.
The Department also predicted heavy showers above 100mm in the Western and North-western provinces and in the Kandy, Mannar, Galle, and Matara districts.
The Met. Department predicted strong winds of about 50-60kmph over the Western slopes of the central hills and in the Northern, North-central, Western, Southern, and North-western provinces and in the Trincomalee district.