River gauges›Iowa
RIVER GAUGE · LITTLE SIOUX RIVER

Little Sioux River near Montgomery

Dickinson County, Iowa

Water level1385.60 ft
Flow—
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action1390 ft
Minor flood1391 ft
Moderate flood1393 ft
Major flood1394.5 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Jun 22, 20241395.88 ft—
Jun 23, 20181394.9 ft—
Mar 15, 20191394.32 ft—

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