Temperatures across southeastern Australia reached record levels on January 27, 2026, with the Bureau of Meteorology confirming a new all-time high of 48.9°C (120°F) at Walpeup and Hopetoun in Victoria. The readings surpassed the previous state record of 48.8°C (119.8°F) set in 2009, amid severe to extreme heatwave conditions extending across Victoria, South Australia, and inland New South Wales.
Australia is enduring one of its most intense heatwaves since the 2019–20 Black Summer, with extreme temperatures, strong winds and dry lightning fuelling catastrophic fire danger across multiple states. Emergency-level bushfires have been reported in South Australia and Victoria, while BOM forecasts indicate the threat will intensify through Friday, before cooler air reaches southern regions at the weekend.
A Heat Advisory is in effect for parts of southern California from Tuesday morning through Wednesday evening, October 28 to 29, 2025.
Toronto, Ontario recorded one of its hottest summers on record in 2025, with six heatwaves, 14 days above 32°C (90°F), and 24 nights above 20°C (68°F) as of August 24, according to Environment Canada.
A heat burst struck Spain’s Costa Tropical on August 17, 2025, prompting beach evacuations in Motril, Salobreña and Torrenueva Costa as the temperature spiked to 40.1°C (104°F) and wind gusts reached 87 km/h (54 mph), according to AEMET and local authorities.
At least 52 all-time high temperature records were broken across France on August 11, 2025, with more than 175 weather stations exceeding 40°C (104°F), as a persistent heat dome intensified extreme heat across southwestern Europe.
Phoenix, Arizona, reached 47.8°C (118°F) on August 7, 2025, setting the highest August temperature since records began in 1895. Other locations across the region also saw record highs, with Blythe, California, reaching 48.9°C (120°F).
Isesaki in Gunma Prefecture recorded 41.8°C (107.2°F) at 14:26 LT on August 5, 2025, setting Japan’s highest temperature on record and marking the second time in one week that the national record was broken.
Tampa saw its hottest temperature on record after reaching 37.8°C (100 °F) at 15:30 local time on July 27, 2025.
Extreme heat and humidity will affect large portions of the Southeastern United States from July 27 to 31, 2025, with over 30 million people under Level 4 Extreme HeatRisk alerts at the peak of the heatwave.
