An extratropical cyclone impacted Rio Grande do Sul, Brazil, between July 28 and 29, 2025, producing wind gusts over 100 km/h (62 mph) and waves reaching 3.5 m (11 feet), causing widespread structural damage, coastal flooding, and large-scale power outages.
A destructive derecho swept through the central United States from the evening of July 28 into early July 29 2025, producing wind gusts up to 160 km/h (99 mph), toppling trees, and causing widespread power outages.
At least 30 people died and more than 80 000 were evacuated in Beijing, China, after record rainfall from July 26–28, 2025, caused severe flooding and landslides.
Hurricane Iona and Tropical Storm Keli formed southeast of Hawaii on July 28, 2025, becoming the first two named cyclones of the 2025 central Pacific hurricane season. Iona was named in the NHC advisory issued at 03:00 UTC and reached hurricane strength by 15:00 UTC the same day. Keli followed approximately 18 hours later, reaching tropical storm strength by 21:00 UTC. Both systems are moving westward and are not expected to make landfall.
Severe flooding affected parts of Jharkhand, India, from July 26 to 28, 2025, following persistent heavy rainfall since mid-July. In Jamshedpur, approximately 60 homes were fully submerged, and around 100 were partially flooded. At least five fatalities were reported, including four youths who drowned while bathing in a check-dam in Seraikela-Kharsawan district.
A powerful tornado touched down west of Watertown, South Dakota on July 27, 2025, destroying multiple structures and creating dramatic visuals.
An Enhanced Risk (level 3/5) of severe thunderstorms is in effect across southern and eastern Minnesota, far eastern South Dakota and western Wisconsin, with a Slight Risk (level 2/5) extending into the Mid-Atlantic region, including parts of eastern Virginia, on Sunday, July 27, 2025.
Record-breaking rainfall struck Fuping County, Hebei Province, China, on July 25–26, 2025, killing at least two people and leaving two others missing. Xizhuang station recorded 532 mm (20.94 inches) of rain in eight hours, with peak intensities reaching 145 mm (5.71 inches) per hour. Over 46 200 residents were affected, and more than 4 600 were evacuated.
Severe thunderstorms caused flash floods across the Chicago metropolitan area on Friday, July 25, 2025, with over 150 mm (6 inches) of rainfall reported in Bridgeview within just two hours.
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.
