Thunderstorm Wind in Lewis and Clark County, Montana

Thunderstorm Wind May 10, 2025 · Lewis and Clark County, Montana

62 mph

Measured gust (54 kt)

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

What the National Weather Service wrote

ASOS station KHLN Helena Airport measured a 62 mph wind gust.

The wider storm

An upper-level trough brought in enough moisture and instability to produce severe thunderstorms mainly across the North-Central Montana plains. Severe wind was the primary hazard with thunderstorms.

Began near (hln)helena Rgnl Arp (46.6000, -111.9800).

Source: NOAA Storm Events Database, event 1258157. Narratives are written by the National Weather Service forecast office that issued the report.

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