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Tropical storm to bring heavy rain to Tokyo during extended holiday

A tropical storm system is forecast to sweep across eastern Japan, including the Tokyo metropolitan area, bringing significant rainfall during the extended holiday weekend. Meteorologists warn residents to prepare for potentially hazardous weather conditions.

LSN Singapore · 17 September 2026

Tropical storm to bring heavy rain to Tokyo during extended holiday

A tropical storm is expected to impact eastern Japan over the coming holiday weekend, with Tokyo and surrounding prefectures in the path of heavy precipitation. Weather authorities have issued alerts for the region as the system approaches from the Pacific, with rainfall amounts potentially exceeding seasonal norms.

The timing coincides with Japan's extended holiday period, when many residents are traveling or spending time outdoors. Forecasters advise caution for those planning activities during the weekend, citing risks of flooding in low-lying areas and disruptions to transportation networks.

Local meteorological agencies are closely monitoring the storm's trajectory and intensity. Residents in affected areas have been encouraged to stock essential supplies and check emergency preparedness measures. The storm's passage through eastern Japan is expected to clear by early next week, with conditions gradually improving thereafter.

Authorities across Tokyo and neighboring prefectures have activated contingency plans and pre-positioned emergency response teams. Residents are urged to remain alert to weather updates and heed any warnings issued by local government agencies.