Warm Weather Advisory
Issued by the Natural Hazards Early Warning Centre
Issued at 3.30 p.m. on 01 May 2026, valid for 02 May 2026.

The Heat index, the temperature felt on human body is likely to increase up to ‘Caution level’ at some places in the Northern, North-central, Eastern, Sabaragamuwa, North-western provinces and in Monaragala district during the day time.

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 the 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 02 MAY 2026
Issued at 05.30 a.m. on 02 May 2026 by the Department of Meteorology

Misty conditions can be expected at some places in the Central, Sabaragamuwa and Uva provinces and in Ampara and Polonnaruwa districts.

Showers are likely in coastal areas of the Southern province and in Kaluthara and Colombo districts during the morning while
showers or thundershowers will occur at several places in the Western, Sabaragamuwa, Central, Uva and Eastern provinces and in Polonnaruwa, Galle and Matara districts after 1.00 pm.

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

WEATHER FORECAST FOR 01 MAY 2026
Issued at 05.30 a.m. on 01 May 2026 by the Department of Meteorology

Misty conditions can be expected at some places in the Central, Sabaragamuwa, North-central and Uva provinces.

Showers are likely in coastal areas of the Western and Southern provinces during the morning while showers or thundershowers will occur in most parts of the island after 1.00 pm. Fairly heavy showers above 50 mm are likely at some places in the Sabaragamuwa, Central, Uva and North-central provinces.

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