Warm Weather Advisory
Issued by the Natural Hazards Early Warning Centre
Issued at 3.30 p.m. on 09 April 2026, valid for 10 April 2026.

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, Eastern, North-western, Northern and North-central provinces and in Monaragala district.

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.

On the apparent northward relative motion of the sun, it is going to be directly over the latitudes of Sri Lanka from the 05th to 15th of April  this year.

The nearest areas of Sri Lanka over which the sun is overhead today (09th) are Chilaw, Bingiriya, Halmillawewa, Panduwasnuwara, Gokarella, Kawudupelella, Koppaveli and Kirankulam about 12:12 noon.

Warm Weather Advisory
Issued by the Natural Hazards Early Warning Centre
Issued at 4.30 p.m. on 08 April 2026, valid for 09 April 2026.

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, Eastern, North-western, Northern and North-central provinces and in Monaragala district.

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.