Missouri River at Fort Benton, MT
River level and flood forecast · Chouteau County
Normal2.1 ftas of Mon 2:30 PM
The river is 11.4 ft below flood stage (13.5 ft).
Flow: 4,890 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 17 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 13.5 ft |
| Action stage | 13 ft |
| Record crest (June 6, 1908) | 18.5 ft |
What floods at each level
From the National Weather Service, highest first.
- 18.5 ftInundation of Main, Franklin, and Washington Streets and all thoroughfares in between these and river.
- 13.5 ftFront Street floods.
- 13 ftMinor flooding of sidewalk along left bank of river.
- 10 ftRight bank bankfull with overflow into willows.
Highest crests on record
- 18.5 ft — June 6, 1908
- 16.39 ft — February 9, 1996
- 14.37 ft — January 12, 1968
- 14.14 ft — January 11, 1973
- 14 ft — January 15, 1974
Recent crests: 5.26 ft (June 2, 2014) · 4.96 ft (June 5, 2013) · 11.23 ft (January 15, 2013) · 5.28 ft (June 8, 2012) · 10.69 ft (January 24, 2012)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FBNM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.