# Flood Warning Issued for Low-Lying Areas of Mahaweli River Basin

- Link: https://www.weather.lk/flood-warning-issued-for-low-lying-areas-of-mahaweli-river-basin/
- Published: 2025-12-18T20:39:51+05:30
- Author: Weather LK

**December 18, 2025** — The **Irrigation Department** has issued a **flood warning
valid for the next 48 hours** for several **low-lying areas along the Mahaweli River
Basin**, following **heavy rainfall received since last night (December 17)** in
upstream catchment areas.

![](https://www.weather.lk/wp-content/uploads/2025/12/image-21-791x1024.png)

![](https://www.weather.lk/wp-content/uploads/2025/12/image-24-791x1024.png)

According to the department, rising water levels in the Mahaweli River could lead
to **flood conditions** in the Divisional Secretariat (DS) Divisions of **Kinniya,
Muttur, Kantale, Seruvila, Welikanda, Lankapura, Thamankaduwa, and Dimbulagala**
during the next two days.

Authorities have also warned of a **risk of inundation** along key transport routes,
including the **Batticaloa–Polonnaruwa Road in the Gallella area**, as well as the**
access road to the Somawathiya Raja Maha Vihara**. Surrounding areas of the temple
may also be affected.

In view of the potential flooding, **devotees planning to visit the Somawathiya 
Raja Maha Vihara are strongly advised to avoid travel to the area until further 
notice** over the coming days.

Meanwhile, residents living **close to the Mahaweli River** in the affected areas
are urged to **remain highly vigilant** and take **necessary precautionary measures**
to safeguard lives and property against possible flood situations.

The **Disaster Management Centre and other relevant authorities** have been requested
to take **immediate and adequate action** to monitor the situation and implement
flood mitigation measures as required.