Unstable Weather Expected in Taiwan Until Friday, Heavy Rain Possible in South

Taiwan faces a week of unsettled weather as a low-pressure system approaches, bringing increased chances of rain, particularly in the north and east starting Tuesday. By Tuesday night and into Friday, strengthening southerly winds will shift the heaviest rainfall to central and southern Taiwan, with the possibility of localized torrential downpours.

Forecasters predict the low-pressure system will be closest to Taiwan between Tuesday and Friday. While northern and eastern areas may see brief showers, central and southern regions, along with eastern Taitung's mountains, should prepare for potential heavy to torrential rain. Even plains areas in the north, east, and Taitung could experience significant rainfall.

Temperatures are expected to hover around 31-32 degrees Celsius in the north and east, and 32-34 degrees Celsius in the central and southern parts of the island. After Thursday, when it's not raining, temperatures across the island are generally predicted to reach 32-34 degrees Celsius.

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The low-pressure system will be closest to Taiwan from tomorrow to Friday. Tomorrow, the weather will be similar to today. Under the influence of the easterly wind, the windward northern and eastern parts will have scattered short-term showers, and Keelung North Coast, northeastern areas, and mountainous areas of Greater Taipei will have localized heavy rain. Central and southern Taiwan will have afternoon thunderstorms with localized heavy rain, especially southern Taiwan with localized torrential rain.

Separately, a tropical disturbance near Guam could develop into a tropical depression or the 18th typhoon, Sadele, by Thursday or Friday. Its projected path is towards the waters south of Japan in the early part of next week, but its future trajectory remains uncertain. Coastal areas in the southwest, Hengchun Peninsula, and islands like Lanyu, Green Island, and Penghu should be aware of potential long waves on Friday.

Another low-pressure system is located near the South China Sea and might strengthen into a tropical depression by Friday or Saturday, though its direct impact on Taiwan is considered unlikely.

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From tomorrow night to Friday, under the influence of the southerly wind environment, it will be the most unstable weather of the week. The rain will shift to the central and southern regions. Central and southern Taiwan and the mountains of Taitung should pay attention to localized heavy rain or torrential rain. Northern Taiwan, eastern Taiwan, and the plains of Taitung should pay attention to localized heavier rain.