Thunderstorm Wind in Broadwater County, Montana

Thunderstorm Wind July 31, 2025 · Broadwater County, Montana

58 mph

Estimated gust (50 kt)

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

What the National Weather Service wrote

Media passed along a photo of what appears to be a landspout with defined circulation at the ground. Location estimated. No damages were reported with the landspout.

The wider storm

An upper-level shortwave combined with monsoon moisture brought a few severe thunderstorms and localized areas of heavy rainfall to North-Central MT. This resulted in isolated large hail, flooding, and a landspout. A stationary storm developed directly over the Great Falls urban area; this produced heavy rainfall and flash flooding in the city, with one gauge reporting 2.25 inches of rain in an hour. Another thunderstorm produced heavy rainfall over the Horse Gulch burn scar, which caused flash flooding downstream.

Began near Townsend Arpt (46.3700, -111.3600).

Source: NOAA Storm Events Database, event 1280836. Narratives are written by the National Weather Service forecast office that issued the report.

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