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Heavy overnight rainfall triggers flash floods across Penang neighbourhoods

Several residential areas in Penang were inundated following hours of continuous heavy rain that fell late into the evening. Dozens of homes were submerged as water levels rose rapidly across multiple localities.

LSN Malaysia · 25 October 2026

Heavy overnight rainfall triggers flash floods across Penang neighbourhoods

Penang residents faced significant disruptions after intense rainfall overnight triggered flash flooding across numerous neighbourhoods in the state. The deluge, which persisted for several hours, overwhelmed drainage systems in low-lying areas, causing water to surge into residential properties and streets.

Authorities reported that the flooding affected multiple locations across Penang, with particular impact in densely populated residential zones. Early assessments indicated that dozens of homes had been inundated, with water entering ground-floor units and surrounding compounds. The sudden nature of the flash flooding left residents with limited time to relocate valuables or seek higher ground.

Emergency response teams were deployed to affected areas to assist residents and conduct rescue operations where necessary. Local authorities urged residents in flood-prone zones to remain vigilant and monitor weather updates as meteorological forecasts indicated the possibility of continued rainfall in the coming days.

The incident underscores ongoing concerns about urban drainage capacity and flood management in Penang, particularly in neighbourhoods susceptible to waterlogging during periods of heavy precipitation. State authorities have indicated plans to review drainage infrastructure in repeatedly affected areas to mitigate future flooding risks.