The thunderstorms on July 28 produced two damage-causing tornadoes in South Dakota, and a third in Iowa, according to the National Weather Service.

Occurred on July 27, 2025 / Watertown, South Dakota, USA Info from Licensor: "Tornado that occurred July 27th northwest of Watertown, South Dakota."

Multiple tornadoes touched down in South Dakota on Monday, triggering emergency alerts. The National Weather Service (NWS) issued a Tornado Warning for various areas in South Dakota, with more than one confirmed tornadoes on the ground and warning of possible baseball-sized hail.