[10] The National Building Research Organization (NBRO) issued landslide and cut slope failure warnings for the Badulla, Bandarawela, Ella, Haliela, Hadummulla, Haputale, Lunugala, Passara, Uva-Paranagama and Welimada areas.
[13][21] The Meteorology Department advised that the low pressure area was moving away from Sri Lanka's rainfall would subside though heavy winds and showers would continue for a few days.
[25] Heavy rains and floods affected Chilaw, Colombo, Galle, Kalutara, Kandy, Kegalle, Matara, Nuwara Eliya and Ratnapura and one person was killed by lightning in Anuradhapura.
[26][27] The Sri Lanka Air Force (SLAF) rescued fishermen off Pitipana near Negombo in Gampaha District after their boat capsized.
[26] A landslide in Ilukkwatta near Kadugannawa in Kandy District buried two homes under 25 feet of mud, rock and rubble, killing seven.
[33][34][35] Over 200 people trapped by flooding in Thabbowa in Puttalam District were rescued by the SLAF and Sri Lanka Navy.
[39][40][41] A landslide at Kalupahana Estate near Bulathkohupitiya in Kegalle District buried several homes, killing 14 and leaving two missing.
[43][44][45] The Sri Lanka Army, with the help of villagers, volunteers and medical staff, began rescue efforts at Aranayaka and Bulathkohupitiya.
[50] As water levels on the Kelani River rose rapidly, the DMC warned those living near its banks to move to safety.
[51][52] The Ceylon Electricity Board imposed emergency power cuts on the Colombo suburbs of Kohilawatte, Kolonnawa, Kotikawatte, Orugodawatta, Sedawatta, Sinhapura and Wellampitiya as a precautionary measure.
[79] The Sri Lanka Navy dispatched 81 flood relief teams in areas such as Thalduwa, Hanwella, Ranala, Navagamuwa, Malwana, Kegalle, Kaduwela, Mulleriyawa, Dompe, Pugoda, Wellampitiya, Kollonnawa, Biyagama, Kotikawatta, Angoda, Kelanimulla, Vavunia, Vilachchiya and Mandagalaru to promptly engage in any adverse situation.