River gauges›Iowa
RIVER GAUGE · MISSISSIPPI RIVER

Mississippi River at Dubuque (Railroad Bridge)

Dubuque County, Iowa

Water level7.60 ft
Flow27,100 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action15 ft
Minor flood17 ft
Moderate flood18 ft
Major flood21.5 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Apr 25, 196526.81 ft—
Apr 20, 200125.4 ft—
Apr 28, 202324.3 ft—

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