Heat wave
SMHI flags high temperatures across Sweden
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SMHI has issued a message about high temperatures in large parts of Sweden during the coming week.
Heat has reached Uppsala and is expected to remain for several days. SVT Uppsala collected local tips on handling the high temperatures.
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South Korea issued its first "grave heat wave" warnings for the southeastern cities of Gyeongsan and Pohang on Sunday under a new highest-level alert system.
Building on Thursday's record in the capital, São Paulo state sweltered through extreme heat on Friday (December 26, 2025), with temperatures topping 40°C in 11 cities—peaking at 42.6°C in Miracatu. The capital reached 36.2°C, eclipsing the previous day's mark and the hottest December reading in 64 years. Inmet's red alert persists amid water shortages in peripheral areas.
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The city of São Paulo reached 35.9°C on Thursday (December 25), marking the hottest day of 2025 and the hottest December day since 1943. The record was recorded at 4 p.m. at Mirante de Santana by Inmet. The heat is expected to persist in the coming days, with possible rains over the weekend.