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Heavy rainfall expected across multiple provinces as weather system moves inland

The Department of Meteorology has issued warnings for significant precipitation across Sri Lanka on Wednesday, with several provinces bracing for heavy downpours exceeding 75 millimetres. Showers and thunderstorms are forecast to develop across most of the island from early afternoon onwards.

LSN Sri Lanka · 3 October 2026

Heavy rainfall expected across multiple provinces as weather system moves inland

Weather officials forecast substantial rainfall activity across Sri Lanka beginning Wednesday afternoon, with the Central, Sabaragamuwa, Western, Uva, North-western, and North-central provinces all in the path of the weather system. The Galle, Matara, and Mannar districts are similarly expected to experience heavy precipitation, according to Department of Meteorology advisories.

The meteorological department has indicated that rainfall intensity is likely to exceed 75 millimetres in isolated locations within the affected regions. Showers and thundershower conditions are anticipated to develop across most parts of the island after 1:00 p.m. on Wednesday, with the heaviest activity concentrated in the provinces mentioned.

The forecast suggests a period of unsettled weather conditions, with residents and authorities in vulnerable areas advised to take necessary precautions. Heavy rainfall of this magnitude can lead to localised flooding, waterlogging, and potential disruptions to transportation and daily activities. The Department of Meteorology continues to monitor atmospheric conditions and may issue further updates as the weather system develops throughout the day.