Showers or thundershowers will occur at most places of the island after 1.00 pm, today (19), the Department of Meteorology said.
Fairly heavy showers above 50 mm can be expected at some places in Central, Sabaragamuwa and Uva provinces and in Ampara district.
Showers may occur in the Northern and Eastern provinces during the morning too, it added.
Misty conditions can be expected at some places in Central, Sabaragamuwa and Western provinces and in Galle and Matara districts during the early hours of the morning.