Thunderstorm Wind in Big Horn County, Montana

Thunderstorm Wind May 13, 2026 · Big Horn County, Montana

81 mph

Measured gust (70 kt)

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

What the National Weather Service wrote

Lodge Grass W mesonet gusted to 80 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 Lodge Grass (45.3100, -107.5200).

Source: NOAA Storm Events Database, event 1344417. Narratives are written by the National Weather Service forecast office that issued the report.

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