River gauges›Montana
RIVER GAUGE · MISSOURI RIVER

Missouri River near Ulm

Cascade County, Montana

Water level2.89 ft
Flow3,440 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action13 ft2,308 cfs
Minor flood13.5 ft24,280 cfs
Moderate flood15 ft27,780 cfs
Major flood17 ft32,581 cfs

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
May 31, 195317 ft35,000 cfs
May 31, 194816 ft32,000 cfs
Jun 10, 201115.48 ft28,800 cfs

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