River gauges›Montana
RIVER GAUGE · FLATHEAD RIVER

Flathead River at Columbia Falls

Flathead County, Montana

Water level4.75 ft
Flow5,730 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action12.5 ft
Minor flood13 ft
Moderate flood18 ft
Major flood22 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Jun 8, 196425.58 ft176,000 cfs
May 31, 189422.7 ft142,000 cfs
May 22, 194819.08 ft96,000 cfs

Flood map

See which streets and areas flood at each water level here. Open the flood map ↗

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