Heavy rain, strong winds and widespread floods have affected Kegalle, Galle, Kurunegala, Rathnapura districts since 15 May.
Media report 2 deaths (one in Kegalle District and another in Rathnapura District) and one person missing, with over 2,300 people said to be affected. 9 houses were destroyed and at least 400 more damaged.
Moderate to heavy rain and thundershowers are forecast over most parts of the country over the next 24 hours.