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High Wind in Big Belt, Bridger and Castle Mountains, Montana

High Wind December 9, 2025 · Big Belt, Bridger and Castle Mountains, Montana

72 mph

Measured gust (63 kt)

What the National Weather Service wrote

MT DOT sensors at Deep Creek Pass and Bridger Canyon measured gusts in excess of 58 mph, including a peak gust of 72 mph at Bridger Canyon.

The wider storm

Strong zonal flow coinciding with the passage of a shortwave trough was translated to the surface, primarily during the evening of the 8th and into the 9th over the plains and adjacent areas. The strongest winds were more isolated east of I-15 over the plains, but did occur.

Source: NOAA Storm Events Database, event 1299077. Narratives are written by the National Weather Service forecast office that issued the report.

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