JAKARTA - The Meteorology, Climatology and Geophysics Agency (BMKG) predicts that the weather in major cities in Indonesia will generally be dominated by light to moderate rain on Monday, April 27.
BMKG Bintari Praktirawan reported that cities in Sumatra such as Aceh, Medan, Padang, Pekanbaru, Tanjung Pinang, Bengkulu, Palembang, and Pangkal Pinang have the potential for light to moderate rain. Meanwhile, Jambi and Bandar Lampung are predicted to be cloudy.
"For Java, light to moderate rain is predicted to be evenly distributed in major cities such as Serang, Jakarta, Bandung, Semarang, and Yogyakarta. Meanwhile, Surabaya has the potential for heavy rain accompanied by lightning," said Bintari, quoted by Antara, Monday morning.
Furthermore, for the Bali and Mataram regions, it is potentially raining lightly. Meanwhile, Kupang is predicted to be covered by thick clouds.
On the island of Kalimantan, light to moderate rain is likely to occur in Samarinda, Palangkaraya, and Pontianak. Meanwhile, rain accompanied by lightning also needs to be watched out for in the Tanjung Selor and Banjarmasin areas.
For the Sulawesi region, cloudy weather is expected in Manado and Kendari, while light to moderate rain is likely to rain on Makassar, Mamuju, Gorontalo, and Palu.
Finally in eastern Indonesia, Bintari said that the weather was generally predicted to be light to moderate rain, such as in Ternate, Nabire, Ternate, Jayapura, Jayawijaya and Merauke. Meanwhile, Manokwari is predicted to be cloudy and Sorong has the chance to be hit by heavy rain accompanied by lightning.
He reminded the public to remain vigilant against the potential for extreme weather that could occur at any time.
BMKG emphasized the importance of cross-sectoral preparedness in facing the 2026 dry season, which is expected to be drier and longer lasting than normal conditions.
Head of BMKG Teuku Faisal Fathani explained that the current global climate condition is still in the neutral phase, with the ENSO (El Nino-Southern Oscillation) index of around +0.28. However, in the second semester of 2026, it is estimated that the condition will develop towards a weak to moderate El Nino phase with a 50-80 percent chance.
"It needs to be understood that drought and El Nino are two different phenomena and do not always occur simultaneously. Drought will still come every year in Indonesia. But if El Nino occurs in conjunction with the dry season, then the drought will be much drier," he said.
To deal with these conditions, BMKG recommends a number of strategic steps, including anticipatory responses in areas with low rainfall potential, strengthening reservoir and irrigation management based on data, implementation of weather modification operations, and campaigns for efficient use of water and energy.
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