River gauges›Montana
RIVER GAUGE · FLATHEAD RIVER

Flathead River near Polson

Lake County, Montana

Water level5.41 ft
Flow7,120 cfs
Last readingSep 16, 2026, 4:50 PM UTC (last recorded)
Minor flood18 ft67,000 cfs

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
May 31, 189421 ft110,000 cfs
May 25, 198019.3 ft61,800 cfs
Jun 5, 194819.15 ft73,200 cfs

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