Flash Flood in Custer County, Idaho

Flash Flood August 1, 2021 · Custer County, Idaho

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

What the National Weather Service wrote

Idaho Transportation Department reported a mudslide and running water across Idaho Route 75 between East Fork Rd and Malm Gulch Rd completely blocking the highway.

The wider storm

Continued push of monsoonal moisture into Idaho caused continued flooding into the first couple of days of August.

Began near Clayton (44.3369, -114.3613).

Source: NOAA Storm Events Database, event 977493. Narratives are written by the National Weather Service forecast office that issued the report.

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