Flood in Granite County, Montana

Flood June 20, 2018 – June 23, 2018 · Granite County, Montana

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

What the National Weather Service wrote

Extensive field flooding occurred along the Clark Fork River between Drummond and Garrison Junction. Jens Frontage Road along Interstate 90 had water flowing over it in several places.

The wider storm

A cut-off low pressure system brought 1 to 3 inches of rain to the upper part of the Clark Fork River Basin resulting in significant stream and river rises. High elevation snow melt also added to the water flow issues.

Began near New Chicago (46.5029, -112.7882).

Source: NOAA Storm Events Database, event 754866. Narratives are written by the National Weather Service forecast office that issued the report.

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