The Department of Meteorology says showers or thundershowers are likely at scattered locations across most parts of the island after 1 p.m. today (18).The department warns that fairly heavy rainfall exceeding 75 millimetres is possible at some locations in the Sabaragamuwa, Central and Uva Provinces, as well as in the Polonnaruwa, Trincomalee and Mullaitivu Districts.Meanwhile, showers are also possible during the morning in coastal areas of the Puttalam, Mannar and Jaffna Districts.The department further says misty conditions may occur in some areas of the Western, Sabaragamuwa, Central and Uva Provinces during the early hours of the morning.