Thunderstorm Wind — Grant, South Dakota
2025-05-15 · near Big Stone City, Grant, South Dakota
50 MG
Magnitude
Wider weather episode
A broad complex of storms would go on to produce strong winds in far northeastern South Dakota. A peak wind gust of 69 mph was observed by the South Dakota Department of Transportation mesonet station 4 miles north of Altamont.
View location on OpenStreetMap → (45.2700, -96.5100)
Source: NOAA Storm Events Database, event_id 1249159. Narrative written by the NWS forecast office that issued the report.