Hong Kong Observatory issued an amber rainstorm warning on Wednesday, April 15, 2026, effective from 11:35am to 12:45pm, due to intense thundery showers and upper-air disturbances. A thunderstorm warning was also issued at 9:20am, with intense gusts of 70km/h or above possible. The forecaster warned of potential flooding in low-lying areas and flash floods.
Hong Kong Observatory issued an amber rainstorm warning at 11:35am on Wednesday, warning of intense thundery showers and potential flooding in low-lying areas. A thunderstorm warning was issued earlier at 9:20am, with intense gusts of 70km/h or above expected to affect the city.
A cold front and upper-air disturbances will bring heavy showers to Hong Kong on Wednesday, followed by temperatures dropping to around 20°C in urban areas on Thursday morning, with the New Territories expected to be a couple of degrees colder. The Hong Kong Observatory advises the public to be aware of the weather change, while another trough of low pressure is forecast to affect southern China from the weekend.
