The Department of Meteorology of Sri Lanka issued a weather forecast at 1400 hours (local time) on Thursday (11 June), with rainfall spells, thunderstorms, fairly heavy rainfall, and strong winds forecast across multiple areas on Friday (12 June).

• Rainfall spells or thunderstorms are expected at times in Western, Sabaragamuwa, and North-western provinces, as well as in Galle, Matara, Kandy, and Nuwara-Eliya districts. Fairly heavy rainfall of about 75 millimetres is likely at some places in these areas.
• Strong winds of about 40-50 kilometres per hour are expected at times over the western slopes of the central hills, Northern and North-central provinces, and in Hambantota and Trincomalee districts.
• Fairly strong winds of about 30-40 kilometres per hour are expected at times over other areas of the island. Temporary localised strong winds and lightning may occur during thunderstorms.