RIVER GAUGE · LITTLE MISSOURI RIVER
Little Missouri River at Marmarth
Slope County, North Dakota
Water level0.45 ft
Flow—
Last readingSep 16, 2026, 4:00 PM UTC (last recorded)
Action16 ft
Minor flood18 ft
Moderate flood23 ft
Major flood30 ft
The past week
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What floods at each level
- 30 ft
City of Marmarth will flood due to dike being overtopped at this height.
- 18 ft
Flooding confined to grasslands used by ranchers in the area.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 30, 1952 | 23.4 ft | 41,300 cfs |
| Mar 22, 1947 | 21.7 ft | 45,000 cfs |
| Feb 28, 1913 | 21.5 ft | — |
More on Little Missouri River
DownstreamLittle Missouri River at Medora
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