Heat Advisory in effect for southern California
A Heat Advisory is in effect for parts of southern California from Tuesday morning through Wednesday evening, October 28 to 29, 2025.
Toronto records one of its hottest summers on record with six heatwaves, Canada
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.
Heat burst (“Satan’s Storm”) forces beach evacuations on Spain’s Costa Tropical
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.
Heat dome drives record-breaking temperatures across France, 52 stations set all-time highs
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 logs highest August temperature on record
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 breaks Japan’s all-time heat record with 41.8°C (107.2°F) on August 5
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.
Record-breaking heat in Tampa, Florida, as temperature reaches 37.8°C (100°F) for the first time
Tampa saw its hottest temperature on record after reaching 37.8°C (100 °F) at 15:30 local time on July 27, 2025.
Level 4 HeatRisk alert issued for over 30 million people in the Southeastern United States
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.
Extreme heat wave places over 90 million under alerts across Mid-Mississippi Valley and Mid-South, U.S.
NOAA issued extreme heat alerts for over 90 million people across the Mid-Mississippi Valley and Mid-South on July 21, 2025, as a prolonged, dangerous heat wave continues across central and southeastern United States.
48.7°C (119.7°F) recorded at Dongkan station, setting China’s third-highest official temperature on record
Dongkan National Meteorological Station in the Turpan Basin, Xinjiang, recorded an air temperature of 48.7 °C (119.7 °F) on July 20, 2025, setting a new all-time high for the station. Two nearby automated weather stations in the basin recorded temperatures over 50 °C (122 °F) the same day, including Mangxiaohu at 50.7 °C (123.3 °F). This marks one of the highest official temperatures ever recorded at a national meteorological station in China.
