Flood in Sweet Grass County, Montana

Flood July 3, 2022 · Sweet Grass County, Montana

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

What the National Weather Service wrote

Minor street flooding reported by broadcast media.

The wider storm

An unstable southwest flow aloft, combined with a strong jet stream aloft and a moist low-level easterly flow, resulted in numerous severe thunderstorms across the Billings Forecast Area. These thunderstorms contained large hail and very heavy rain.

Began near Big Timber (45.8400, -109.9600).

Source: NOAA Storm Events Database, event 1033511. Narratives are written by the National Weather Service forecast office that issued the report.

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