Record August rainfall caused severe flooding and landslides in Kumamoto Prefecture, Japan, on August 10–11, 2025, leaving several people missing and prompting evacuation advisories for over 3 million residents and widespread transport disruptions.
Milwaukee recorded its second-wettest day on August 9, 2025, with 146 mm (5.74 inches) of rain causing historic flooding across the city and nearby areas.
Heavy monsoon rains across southern China, including Guangdong and Hong Kong, have triggered flooding, landslides, and vector-borne disease outbreaks, with at least two deaths and over 7 000 chikungunya cases reported as of August 7, 2025.
Hong Kong recorded its heaviest August daily rainfall since records began in 1884, with 355–359 mm (14–14.1 inches) measured by mid‑afternoon on August 5, 2025, prompting a black rainstorm warning that lasted more than 11 hours, the second‑longest on record.
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.
The World Meteorological Organization confirmed a new lightning flash record spanning 829 km (515 miles) across the Great Plains, United States, observed on October 22, 2017.
A deadly wildfire burned through approximately 3 000 ha (7 413 acres) of forest land in Bursa Province, northwestern Türkiye, forcing the evacuation of at least 1 765 people as of July 28, 2025. At least 17 fatalities have been confirmed in Türkiye since late June as wildfires intensified under extreme heat, including multiple deaths in Bursa over the weekend.
Record-breaking rainfall hit Yi County, Baoding City, northern China, on July 25, 2025, delivering nearly a year’s worth of precipitation in just 24 hours and forcing the evacuation of over 19 000.
A record-breaking 225 mm (8.86 inches) of rainfall hit Noney district in Manipur overnight on July 16, 2025, triggering flash floods and landslides that killed one person and caused severe damage to infrastructure, cropland, and transport corridors. The Khoupum Dam overflowed, inundating paddy fields and homes in Khoupum Valley.
Flash floods triggered by heavy rain killed two people in Plainfield, New Jersey between July 14 and 15, 2025, after their vehicle was swept into Cedar Brook.
