Warm Weather Advisory Issued by the Natural Hazards Early Warning Centre of the Department of Meteorology at 3.30 p.m. on 17 March 2026, valid for 18 March 2026.

The general public are warned that the Heat index, the temperature felt on human body is likely to increase up to ‘Caution level’ at some places in the Western, Sabaragamuwa, Southern and North-western provinces and in Monaragala, Mannar, Vavuniya and Anuradhapura districts.

The Heat Index Forecast is calculated by using relative humidity and maximum temperature and this is the condition that is felt on your body. This is not the forecast of maximum temperature. It is generated by the Department of Meteorology for the next day period and prepared by using global numerical weather prediction model data.

Effect of the heat index on human body is mentioned in the above table and it is prepared on the advice of the Ministry of Health and Indigenous Medical Services.

ACTION REQUIRED

Job sites: Stay hydrated and takes breaks in the shade as often as possible.

Indoors: Check up on the elderly and the sick.

Vehicles: Never leave children unattended.

Outdoors: Limit strenuous outdoor activities, find shade and stay hydrated.

Dress: Wear lightweight and white or light-colored clothing.

Note:
In addition, please refer to advisories issued by the Disaster Preparedness & Response Division, Ministry  of Health in this regard as well. For further clarifications please contact 011-7446491

WEATHER FORECAST FOR 18 MARCH 2026
Issued at 05.30 a.m. on 18 March 2026 by the Department of Meteorology

Misty conditions can be expected at some places in the  Central, Sabaragamuwa, North-western and Uva provinces and in Galle, Matara, Anuradhapura and Kaluthara districts during the early hours of the morning.

A few showers may occur over the eastern coastal areas during the morning while showers or thundershowers will occur at several places in  most parts of the island after 2.00 pm. Fairly heavy showers above 50 mm can be expected at some places in the Central, Sabaragamuwa, Southern and Uva provinces and in Anuradhapura district.

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

WEATHER FORECAST FOR 17 MARCH 2026
Issued at 05.30 a.m. on 17 March 2026 by the Department of Meteorology 

Misty conditions can be expected at some places in the Central, Sabaragamuwa and Uva provinces and in Galle, Matara and Kaluthara districts during the early hours of the morning.

Showers or thundershowers will occur at several places in the Central, Sabaragamuwa, Southern and Uva provinces after 2.00 pm.

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