Flood in Lake County, Montana

Flood June 29, 2026 – June 30, 2026 · Lake County, Montana

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

What the National Weather Service wrote

The Lake County Emergency Manager reported that DeLaney and Old Freight roads were flooded. A bridge ramp on Rocky Butte Road sustained minor damage from the flooding, though it was easily repaired with gravel. Flooding impacts were also reported at a local business, Bev's Bloomers, with water flowing over nearby roads.

The wider storm

Wraparound precipitation from a closed low pressure system located east of the Continental Divide sent abundant moisture into the Northern Rockies. Saturated ground conditions from previous rainfall combined with an additional two to four inches of precipitation, resulting in flooding across parts of northwest Montana.

Began near Big Arm (47.6778, -114.4970).

Source: NOAA Storm Events Database, event 1348927. Narratives are written by the National Weather Service forecast office that issued the report.

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