Missouri River at Toston
Observed Mon, Sep 28, 1:00 PM MDT
- Flood stage
- 10.50 ft
- Record crest
- 12.22 ft1997
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 12.00 ft |
| Moderate flood | 11.00 ft |
| Minor flood | 10.50 ft |
| Action | 10.00 ft |
- 11.00 ftWater floods low lying areas near Highway 287.
- 10.00 ftLow lying fields flood.
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
78 crests on NOAA’s list since 1941.
| # | Date | Stage |
|---|---|---|
| 1 | June 12, 1997 | 12.22 ft |
| 2 | June 6, 1948 | 11.77 ft |
| 3 | June 15, 2011 | 11.53 ft |
| 4 | June 18, 1974 | 11.32 ft |
| 5 | June 11, 1996 | 11.22 ft |
| 6 | June 10, 1970 | 11.16 ft |
| 7 | June 8, 1995 | 11.12 ft |
| 8 | June 2, 2018 | 11.08 ft |
| 9 | June 24, 1984 | 10.97 ft |
| 10 | May 24, 1981 | 10.83 ft |
| 11 | June 3, 1943 | 10.70 ft |
| 12 | May 30, 1956 | 10.65 ft |
| 13 | June 24, 1967 | 10.52 ft |
| 14 | June 26, 1975 | 10.52 ft |
| 15 | June 18, 1982 | 10.47 ft |
| 16 | June 11, 1942 | 10.46 ft |
| 17 | June 9, 1991 | 10.41 ft |
| 18 | June 28, 1971 | 10.36 ft |
| 19 | June 6, 1986 | 10.22 ft |
| 20 | June 15, 2022 | 10.19 ft |
| 21 | May 21, 1976 | 10.18 ft |
| 22 | June 8, 1972 | 10.13 ft |
| 23 | June 12, 1964 | 10.00 ft |
| 24 | June 20, 2010 | 10.00 ft |
| 25 | June 16, 1953 | 10.00 ft |
Most recent crests
- June 15, 2022: 10.19 ft
- June 2, 2018: 11.08 ft
- May 30, 2014: 9.82 ft
- May 21, 2013: 6.48 ft
- June 6, 2012: 7.96 ft
- June 15, 2011: 11.53 ft
- June 20, 2010: 10.00 ft
- June 1, 2009: 9.20 ft
- June 7, 2008: 9.39 ft
- June 8, 2007: 7.00 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamJefferson River at Three Forks
- DownstreamMissouri River at Canyon Ferry Reservoir
- Gallatin River at Logan
- East Gallatin River at Manhattan
- Boulder River (Central MT) at Boulder
- Willow Creek (Southwest MT) at Harrison
- East Gallatin River at Bridger Creek near Bozeman
- East Gallatin River at abv Water Recl Fac nr Bozeman
- Prickly Pear Creek at Clancy
What this means
Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued routinely during the warm season, and as needed at other times of the year. Stage may be affected by ice during winter months. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
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.