- Heavy rainfall, strong winds, thunderstorms and lightning, due to the onset of the Southwest Monsoon, continued to affect most of Sri Lanka since 1 June, causing several severe weather-related incidents that have resulted in casualties and damage. The affected provinces are: Sabaragamuwa, Northen, Western, Southern, North Western and Central.
- Media report, as of 5 June, 26 fatalities and 41 injured people across the affected area. The Disaster Management Centre (DMC) also reports, as of 4 June, one person still missing, more than 8,200 evacuated people in 123 shelters, nearly 3,400 damaged houses and a total of approximately 161,300 affected people across 13 district throughout the aforementioned six affected provinces.
- Over the next 48 hours, more rainfall is still forecast over the eastern and the western parts of Sri Lanka.