Rivers in Montana
Musselshell River near Mosby
Below flood stage
2.81ftStage
Observed Mon, Sep 28, 12:45 AM MDT
- Flood stage
- 10.00 ft
- Record crest
- 17.70 ft1993
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 14.00 ft |
| Moderate flood | 12.00 ft |
| Minor flood | 10.00 ft |
| Action | 8.00 ft |
- 12.00 ftBuildings near Musselshell River begin to flood.
- 10.50 ftLow land flooding begins.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.
Crest history
58 crests on NOAA’s list since 1964.
| # | Date | Stage |
|---|---|---|
| 1 | July 27, 1993 | 17.70 ft |
| 2 | May 23, 2011 | 16.00 ft |
| 3 | June 10, 2011 | 15.60 ft |
| 4 | February 19, 1965 | 15.17 ft |
| 5 | March 12, 1979 | 15.10 ft |
| 6 | March 3, 1994 | 14.83 ft |
| 7 | February 13, 1971 | 14.51 ft |
| 8 | August 25, 2014 | 14.36 ft |
| 9 | March 27, 1978 | 14.10 ft |
| 10 | September 25, 1986 | 14.02 ft |
| 11 | May 11, 2011 | 13.95 ft |
| 12 | June 18, 1967 | 13.57 ft |
| 13 | February 15, 2011 | 13.37 ft |
| 14 | May 7, 1975 | 13.20 ft |
| 15 | June 10, 1968 | 12.05 ft |
| 16 | June 3, 2013 | 11.72 ft |
| 17 | June 3, 2023 | 11.71 ft |
| 18 | July 7, 1969 | 11.57 ft |
| 19 | March 22, 2018 | 11.52 ft |
| 20 | March 12, 2014 | 11.35 ft |
| 21 | June 16, 1965 | 11.27 ft |
| 22 | February 16, 1982 | 11.11 ft |
| 23 | June 1, 2018 | 11.11 ft |
| 24 | June 18, 1997 | 11.01 ft |
| 25 | March 9, 1989 | 10.97 ft |
Most recent crests
- February 25, 2025: 10.28 ft
- June 3, 2023: 11.71 ft
- March 20, 2019: 9.93 ft
- June 1, 2018: 11.11 ft
- March 22, 2018: 11.52 ft
- February 13, 2017: 9.49 ft
- August 25, 2014: 14.36 ft
- March 12, 2014: 11.35 ft
- June 3, 2013: 11.72 ft
- June 10, 2011: 15.60 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by ice during winter months.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.