The National Building Research Institute [NBRI] has issued Landslide Early Warnings to the Districts of Colombo, Gampaha, Kalutara, Kegalle, Nuwara Eliya and Ratnapura valid upto 0900 AM on 23rd May 2026.

Accordingly,
LEVEL I [RED] landslide early warnings have been issued to the Divisional Secretaries Divisions and surrounding areas of  Deraniyagala, Ruwanwella and Dehiowita in the Kegalle district and Ratnapura, Ayagama, Kuruwita and Eheliyagoda in the Ratnapura district.

LEVEL II [AMBER] landslide early warnings have been issued to the Divisional Secretaries Divisions and surrounding areas of Seethawaka and Padukka in the Colombo district, Attanagalla in the Gampaha district,  Horana, Bulathsinhala, Ingiriya and  Palindanuwara in the  Kalutara district, Yatiyanthota in the Kegalle district and Pelmadulla,  Kiriella,  Elapatha,  Kalawana and Nivithigala in the Rathnapura district.

LEVEL I [YELLOW] landslide early warnings have been issued to the Divisional Secretaries Divisions and surrounding areas of Mirigama and Divulapitiya in the Gampaha district, Agalawatta and Mathugama in the Kalutara district, Bulathkohupitiya in the Kegalle district and Ambagamuwa in the Nuwara Eliya district.

WEATHER FORECAST FOR 22 MAY 2026
Issued at 05.30 a.m. on 22 May 2026 by the Department of Meteorology

The South-West monsoon is gradually getting established over the island and the current rainy conditions over the south-western parts of the island are expected to continue further for the next few hours.

Showers or thundershowers will occur at times in the Western, Sabaragamuwa and North-western provinces and in Galle, Matara, Kandy and Nuwara-Eliya districts. Very heavy showers above 200 mm are likely at some places in the Western, Sabaragamuwa and North-western provinces. Heavy showers  above 100 mm are likely at some places in Galle, Matara, Kandy and Nuwara-Eliya districts. Several spells of showers will occur in the Northern province and in Anuradhapura district while showers or thundershowers may occur at a few places in the Uva province and in Ampara and Batticaloa districts after 2.00 pm.

Fairly strong winds about (35-45) kmph can be expected at times over the Western slopes of the central hills, the Northern, North-central, North-western and Southern provinces and in Trincomalee district.

The general public is kindly requested to take adequate precautions to minimize damage caused by temporary localized strong winds and lightning during thundershowers

WEATHER FORECAST FOR 21 MAY 2026
Issued at 05.30 a.m. on 21 May 2026 issued by the Department of Meteorology

The South-West monsoon is gradually getting established over the island.

Showers will occur at times in the Western, Sabaragamuwa Northern and North-western provinces and in Anuradhapura,  Galle, Matara, Kandy and Nuwara-Eliya districts. Fairly heavy showers above 50 mm are likely at some places in the above areas. Showers or thundershowers may occur at a few places in the Uva province and in Ampara and Batticaloa districts after 2.00 pm.

Fairly strong winds about (30-40) kmph can be expected at times over the Western slopes of the central hills, the Northern, North-central, North-western and Southern provinces.

The general public is kindly requested to take adequate precautions to minimize damage caused by temporary localized strong winds and lightning during thundershowers.