WEATHER FORECAST FOR 05 MAY 2026
Issued at 05.30 a.m. on 05 May 2026 by the Department of Meteorology

The Intertropical Convergence Zone (where winds from the Northern Hemisphere and Southern Hemisphere converge) affects the island’s weather. As a result, an increase in rainfall is expected over the island after 6 May.

For today:

Misty conditions can be expected at some places in the Central and Uva provinces and in Ampara district during the early hours of the morning.

Cloudy conditions will prevail over the Western, Sabaragamuwa, Southern, and Uva provinces and the Ampara district. Morning showers are expected in these areas. Showers or thundershowers will occur at most places of the island after 1.00 pm.  Fairly heavy showers above 50 mm are likely at some places in the Western, Sabaragamuwa, Uva and Eastern provinces and in the Galle, Matara and Polonnaruwa districts.

Fairly strong winds of about (30-40) kmph can be expected at times over the Northern and North-central provinces and in Hambantota 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 04 MAY 2026
Issued at 05.30 a.m. on 04 May 2026 by the Department of Meteorology

Misty conditions can be expected at some places in Central, Sabaragamuwa and Uva provinces and in Ampara district during the early hours of the morning.

Showers are likely in the coastal areas of the Western province and in Galle and Matara districts during the morning while showers or thundershowers will occur at several places in the the Western, Sabaragamuwa, Central, North-western and Eastern provinces and in Polonnaruwa, Galle and Matara districts after 2.00 pm. Fairly heavy showers  above 50 mm are likely at some places in the Western, Sabaragamuwa provinces and in Galle and Matara districts.

Fairly strong winds of about (30-40) kmph can be expected at times over the Northern and North-central provinces and in Hambantota district.

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

Warm Weather Advisory
Issued by the Natural Hazards Early Warning Centre
Issued at 3.30 p.m. on 03 May 2026, valid for 04 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 and North-western provinces and in Colombo, Gampaha, Hambantota and Monaragala districts 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.