Met Department says Southwest monsoon conditions are getting established over the island.
Prevailing rainy condition along with cloudy skies in the South-west part of the island is expected to continue for tomorrow (May 21).
Showers or thundershowers will occur at times in Western, Southern, Sabaragamuwa, Central and North-western provinces.
Showers or thundershowers will occur elsewhere particularly after 2 pm.
Very heavy falls, about 150 mm can be expected at some places in Sabaragamuwa province.
Heavy falls, above 100 mm can be expected at some places, particularly in Western Central and Uva provinces and in Galle and Matara districts.