Thunderstorm Wind — Big Horn, Montana

2022-07-15 · near Hardin, Big Horn, Montana

Wider weather episode

A north/south line of thunderstorms that stretched across multiple counties produced outflow winds well ahead of the thunderstorms. This outflow was very strong and produced winds over 60 mph. These winds produced an area of blowing dust across Interstate 90 just west of Hardin. Visibility dropped to zero resulting in a multiple car pileup which resulted in several deaths and multiple injuries.

View location on OpenStreetMap → (45.8700, -107.6000)

Source: NOAA Storm Events Database, event_id 1038042. Narrative written by the NWS forecast office that issued the report.