Unseasonable heat plagued portions of Taiwan on Tuesday, leading to the first 100-degree Fahrenheit reading in two years.
Taipei, the capital of the island nation, recorded a high temperature of 100 degrees (37.8 C) late Tuesday afternoon, local time. It marked the first triple-digit reading for the city since July 2010 and only the second since 2007.
The unusual high fell just short of the all-time record of 102 F (38.8 C) set on Aug. 9, 2003, according to the Central Weather Bureau.
Even though average highs in Taipei are near 90 F (32.2 C), its high marine influence will often prevent it from becoming much hotter.
The heat is a result of a closed upper-air high pressure system that is bringing weak steering flow to the country, preventing marine air from penetrating farther inland.
High pressure will persist over the island through the week, maintaining hot and dry conditions for a country which receives most of its rainfall from tropical systems. Current outlooks from the Joint Typhoon Warning Center show no significant tropical rains on the horizon.
The heat will finally break over the weekend as the high pressure system departs and a more typical pattern arrives, knocking temperatures back towards seasonal averages.
Despite a brief warmup in Chicago, wintry conditions will span the weekend.
Big changes are on the way for parts of the Western and Central states late this week and into this weekend.
Warm air is forecast to surge into much of the eastern half of the nation by the weekend and will be accompanied by heavy rain and flooding risk in some locations.
Thunderstorms in parts of the South this weekend may become strong enough to threaten lives and property.
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Despite some sun on Thursday, rain will make a comeback in the city in time for the weekend.
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