Thunderstorm Wind in Ravalli County, Montana

Thunderstorm Wind September 10, 2025 · Ravalli County, Montana

54 mph

Measured gust (47 kt)

$500

Damage as recorded

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

What the National Weather Service wrote

Thunderstorm outflow winds marched northward through the Bitterroot Valley, resulting in about 20 utility customers losing power. General gusts were 35 to 45 mph topping out near 50 mph.

The wider storm

Considerable instability, anomalously high moisture content, and a weak disturbance led to several rounds of thunderstorms during the afternoon and evening.

Began near Grantsdale (46.2195, -114.1679).

Source: NOAA Storm Events Database, event 1287216. Narratives are written by the National Weather Service forecast office that issued the report.

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