Thunderstorm Wind — Gregory, South Dakota
2025-08-17 · near Dixon, Gregory, South Dakota
55 MG
Magnitude
Event narrative
Thunderstorm wind gusts were measured by South Dakota Mesonet station GRMS2 Gregory 16N.
Wider weather episode
An isolated thunderstorm over south central South Dakota developed within an axis of strong instability and DCAPE during the evening hours. Before weakening, an isolated severe wind gust occurred in northern Gregory County.
View location on OpenStreetMap → (43.4600, -99.4400)
Source: NOAA Storm Events Database, event_id 1290919. Narrative written by the NWS forecast office that issued the report.