COLOMBO, Sri Lanka – 06 September 2026 – The Department of Meteorology (DMC) has released its most recent weather forecast for Sri Lanka, providing essential updates in Tamil for the next 36 hours. The forecast, issued by the National Meteorological Department’s forecasting division at 4:00 PM on Saturday, September 06, 2026, highlights the anticipation of rain and thunderstorms across various parts of the island, alongside crucial public safety advisories.
Rainfall Expected Across Several Regions
According to the detailed Tamil language weather report, isolated showers or thundershowers are highly probable in many areas of the Uva, Central, and Eastern Provinces. The Polonnaruwa and Mullaitivu districts are also expected to experience similar conditions, particularly after 2:00 PM today. Residents in the Uva and Eastern Provinces should brace for fairly heavy rainfall, with certain locations potentially receiving over 50 mm.
Furthermore, the forecast indicates that light rain is anticipated in parts of the Western, Sabaragamuwa, and North Western Provinces. Specific districts like Galle and Matara are also expected to receive light precipitation.
Public Safety Advisory During Thunderstorms
The DMC has issued an urgent advisory to the public, urging all citizens in affected areas to take necessary precautionary measures. This is to mitigate potential damages that could arise from strong winds and lightning strikes often associated with thundershowers. Ensuring personal safety and protecting property during adverse weather conditions remains a top priority, and residents are encouraged to stay informed and follow local safety guidelines.
Solar Zenith Phenomenon Detailed
The weather update also includes an important astronomical detail concerning the sun directly positioning itself overhead across specific latitudes of Sri Lanka. This natural phenomenon, attributed to the sun’s apparent southward motion, commenced on August 28th and is expected to continue until September 07th. Consequently, on Sunday, September 07th, the sun will be directly overhead at approximately 12:08 PM in the areas of Galle, Angulugaha, Imoduwa, Salijjawila, Hetiyana, and Tangalle.
Understanding Rainfall Intensity
For clarity and public awareness, the Department of Meteorology defines rainfall amounts according to the following categories:
- Light rain: 00 – 12.5 mm
- Light to moderate rain: 12.5 – 25 mm
- Moderate rain: 25 – 50 mm
- Fairly Heavy rain: 50 – 100 mm
- Heavy rain: 100 – 150 mm
- Very Heavy rain: 150 mm or more
The DMC continues to monitor weather patterns closely and advises the public to stay updated through official channels for any further announcements. This forecast is vital for residents, particularly those in agricultural and coastal areas, to plan accordingly for the coming days.
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