Hong Kong expects thundery showers moving east from western Guangdong, with heavier downpours and squally thunderstorms affecting parts of the territory in the next couple of hours, followed by sunny intervals and very hot conditions later in the week.
The Hong Kong Observatory is evaluating whether to upgrade to a red rainstorm warning, just under two hours after issuing an amber signal. Intense thundery showers are currently affecting the region and the Pearl River Delta.
The Hong Kong Observatory issued an amber rainstorm warning on Sunday afternoon that remained in effect for 3½ hours, bringing over 30mm of rainfall to many parts of the city along with thunderstorms and hail. The warning was cancelled at 5:50pm, but forecasters warned residents to remain alert to river flooding risks. Weather is expected to remain slightly cooler over Guangdong province for the next couple of days under the influence of the northeast monsoon and localized upper-air disturbances.
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.
Hong Kong's Observatory has issued special alerts warning of intense thundery showers and gusts affecting the Pearl River Delta region on Thursday evening. Temperatures are expected to drop from 23°C to 19°C by Friday under the influence of a cold front and northern monsoon, with occasional heavy showers and squally thunderstorms forecast.
