Thunderstorm Wind in Lewis and Clark County, Montana

Thunderstorm Wind July 2, 2025 · Lewis and Clark 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

ASOS station KHLN Helena Airport measured a 60 mph wind gust.

The wider storm

An upper level trough brought embedded shortwaves aloft that developed thunderstorms in the region. Storms on July 1st were concentrated in Southwest MT. Coverage of thunderstorms became widespread across the region July 2nd due to better shear and moisture. The main hazards with storms were severe wind gusts.

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

Source: NOAA Storm Events Database, event 1266219. Narratives are written by the National Weather Service forecast office that issued the report.

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