High Wind — Southern High Plains, Montana

2025-10-29 · Southern High Plains, Montana

Event narrative

Several sensors measured gusts at or above 75 mph and sustained winds at or above 50 mph in this zone, including mesonet stations Dellwo DELMT, Montana mesonet station Bynum W, and mesonet station MTCTS Choteau South. The peak gust was observed at the Choteau South mesonet, which measured an 86 mph gust. MT mesonet station Bynum W measured sustained winds averaging 59 mph over 3 hrs and 55 minutes ending at 355 PM MDT.

Wider weather episode

A potent shortwave combined with strong cross barrier flow to result in a period of gusty winds during the day October 29. This event ended up being higher end, with a peak gust of 86 mph (Crosswind) being observed along US-287 north of Augusta.

Source: NOAA Storm Events Database, event_id 1294362. Narrative written by the NWS forecast office that issued the report.