Thunderstorm Wind in Stillwater County, Montana

Thunderstorm Wind May 13, 2026 · Stillwater County, Montana

60 mph

Measured gust (52 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Cooney Reservoir NW mesonet gusted to 60 mph.

The wider storm

A shortwave brought about windy thunderstorms across much of southern MT. In it's wake, a cold front crossed the area, and strong winds behind the front persisted well into the 14th. Non-convective gusts up to 80 mph were observed, with convective gusts up to 80 mph observed.

Began near Absarokee (45.4700, -109.2600).

Source: NOAA Storm Events Database, event 1344434. Narratives are written by the National Weather Service forecast office that issued the report.

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