High Wind in Helena Valley, Montana

High Wind December 11, 2025 · Helena Valley, Montana

64 mph

Measured gust (56 kt)

What the National Weather Service wrote

ASOS station KHLN Helena Airport measured two gust sin excess of 58 mph, including a peak of 64 mph.

The wider storm

Another shortwave parading across the Northern Rockies within a zonal flow aloft promoted another windy period December 10th into the 11th. While the strongest gusts were more isolated than previous events, there were still plenty of reports along and near the Continental Divide.

Source: NOAA Storm Events Database, event 1299081. Narratives are written by the National Weather Service forecast office that issued the report.

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