The Malaysian Meteorological Department (MetMalaysia) issued a series of thunderstorm, heavy rain, and strong wind warnings for multiple states and federal territories across Malaysia from June 14 to June 17, 2026 [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12].
Warnings were commonly issued for nine states alongside the Federal Territories of Kuala Lumpur, Putrajaya, and Labuan, though coverage varied each day [1, 3, 6, 10, 11]. Perlis, Kedah, Perak, Selangor, Negeri Sembilan, Johor, Pahang, Terengganu, Kelantan, Penang, Sarawak, Sabah, and the federal territories were repeatedly affected [1, 2, 3, 6, 8, 9, 11, 12]. Specific districts named in warnings included Langkawi and Kubang Pasu in Kedah; Raub, Bentong, and Temerloh in Pahang; Kluang and Mersing in Johor; as well as parts of Sarawak and Sabah [1, 2, 3, 6, 8, 9, 11].
Warnings typically lasted several hours, generally valid until 6pm or 9pm local time. Some were shorter, ending around noon or 3pm depending on the day [1, 4, 6, 7, 9, 10, 11, 12]. According to MetMalaysia, thunderstorm warnings are short-term alerts usually lasting no more than six hours [4].
The warnings are triggered when rainfall intensity is expected to exceed 20 millimeters per hour, either imminently or persisting for over an hour [4, 5, 10, 11, 12]. MetMalaysia said, "Thunderstorm warnings are triggered when rainfall intensity is expected to exceed 20mm per hour, either imminently or persisting for over an hour" [11].
Affected areas covered both Peninsular Malaysia and East Malaysia states including Sarawak, Sabah, and Labuan [6, 8, 9, 11, 12]. Residents and motorists in impacted districts were urged to stay vigilant, exercise extreme caution outdoors, and monitor official MetMalaysia channels for real-time updates. "Residents and motorists in the affected districts are advised to stay vigilant, exercise extreme caution outdoors, and monitor official MetMalaysia channels for real-time updates," the department said [11].
Warnings on June 14 initially excluded Kuala Lumpur and Putrajaya but were later expanded to include them until 9pm [8, 9]. On June 15, warnings covered nine states and Kuala Lumpur until 6pm or 9pm depending on the notice [1, 3, 4, 10]. Thunderstorm alerts extended to several Peninsular states, Sarawak, Sabah, and Labuan on June 16 with expiration at 9pm [11]. On June 17, some warnings were valid until noon covering Kedah, Penang, Perak, Pahang, Selangor, Negeri Sembilan, Melaka, Kuala Lumpur, and Putrajaya [12].
MetMalaysia continues to monitor weather conditions and may issue further updates as needed during the current spell of unsettled weather [11].