Warm Weather Advisory
Issued by the Natural Hazards Early Warning Centre
Issued at 3.30 p.m. on 22 April 2026, valid for 23 April 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, North-western, Western, Sabaragamuwa, Eastern
and Southern 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 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 22 APRIL 2026
Issued at 05.30 a.m. on 22 April 2026 by the Department of Meteorology

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

Showers may occur in the Batticaloa, Ampara and Hambantota districts during the morning while showers or thundershowers will occur at most places of the island after 1.00 pm. Fairly heavy showers above 75 mm are likely at some places in the Western, Sabaragamuwa, Central, Uva and Southern provinces and in Ampara and Kurunegala districts.

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 21 April 2026, valid for 22 April 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, North-western, Western, Sabaragamuwa, Eastern
and Southern 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 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.