Thunderstorm Wind — Jefferson, Montana

2025-07-09 · near Louisville, Jefferson, Montana

Event narrative

Mesonet station MTSPK Spokane Creek Us-287 Mp 55.7 measured a 58 mph wind gust.

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 → (46.5600, -111.7900)

Source: NOAA Storm Events Database, event_id 1266544. Narrative written by the NWS forecast office that issued the report.