Sri Lanka Weather Heavy Rainfall Above 100 mm Expected in Several Provinces
Sri Lanka is expected to experience widespread showers and thundershowers on Thursday, 12 November 2026, with heavy rainfall exceeding 100 mm possible in several parts of the country.
Showers or thundershowers will occur at times in the Northern Province and Trincomalee district. Meanwhile, other parts of the island are likely to experience showers or thundershowers after 1.00 p.m., bringing afternoon and evening rainfall to many areas.
The weather forecast highlights the possibility of heavy rainfall above 100 mm at some locations in the Western, Sabaragamuwa, Central, Southern and Uva provinces. Residents in these areas should remain alert, particularly during periods of intense rainfall.
Sri Lanka Morning Mist Expected in Several Areas
Misty conditions are expected during the early morning hours in parts of the Western, Sabaragamuwa, Central and Uva provinces. The Galle, Matara and Kurunegala districts may also experience morning mist. Motorists are advised to drive carefully due to reduced visibility.
The general public is requested to take necessary precautions to minimize possible damage caused by temporary localized strong winds and lightning during thundershowers. People are advised to avoid exposed areas and remain indoors during thunderstorms whenever possible.
Sri Lanka Sea Weather Forecast Around Sri Lanka
Showers or thundershowers are expected at several places in the sea areas surrounding Sri Lanka during the next 24 hours.
Winds will be northeasterly, with speeds ranging between 20 and 30 kmph. However, wind speeds may increase up to 45 kmph at times in the sea areas extending from Trincomalee to Colombo via Kankasanthurai and Puttalam.
These sea areas may become fairly rough at times, while other sea areas around the island are expected to remain slight to moderate.
Temporarily strong gusty winds reaching 60–70 kmph and very rough seas are possible during thundershowers. Naval and fishing communities are advised to remain alert and follow weather updates.
