Thunderstorm Wind — Fergus, Montana

2025-07-09 · near Lewistown Holland Ar, Fergus, Montana

Event narrative

A 64 mph thunderstorm wind gust measured at AWOS station K1NM 5 NE Forestgrove.

Wider weather episode

A Pacific cold front passed through the region in the afternoon/evening. Dry air in the low levels of the atmosphere posed a risk of severe outflow winds with thunderstorms. This mainly impacted the Helena Valley and Fergus County.

View location on OpenStreetMap → (47.0600, -109.0300)

Source: NOAA Storm Events Database, event_id 1266548. Narrative written by the NWS forecast office that issued the report.