Rivers in Montana
Gallatin River at Logan
Below flood stage
4.83ftStage
Observed Tue, Sep 22, 8:00 AM MDT
- Flood stage
- 9.00 ft
- Record crest
- 11.88 ft1963
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 11.00 ft |
| Moderate flood | 10.00 ft |
| Minor flood | 9.00 ft |
| Action | 8.00 ft |
- 9.90 ftWater into USGS gage house.
- 8.80 ftWater may be on small bridges and around railroad bridge footing.
- 8.70 ftFebruary 2019...Ice Jam. Water level near 8.7 feet. Water flooding farm field next to river.
- 8.30 ftMinor lowland flooding near Logan.
- 8.10 ftLowland flooding occurs. Water may cross some smaller roads.
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 August 26, 2026.
Crest history
122 crests on NOAA’s list since 1929.
| # | Date | Stage |
|---|---|---|
| 1 | February 5, 1963 | 11.88 ft |
| 2 | February 17, 1969 | 11.85 ft |
| 3 | February 28, 2019 | 10.87 ft |
| 4 | January 29, 1975 | 10.63 ft |
| 5 | January 1, 1980 | 10.32 ft |
| 6 | November 26, 1993 | 10.18 ft |
| 7 | February 9, 1996 | 10.18 ft |
| 8 | January 16, 1974 | 9.90 ft |
| 9 | December 27, 1996 | 9.87 ft |
| 10 | December 21, 1983 | 9.87 ft |
| 11 | June 8, 1997 | 9.80 ft |
| 12 | February 1, 1968 | 9.80 ft |
| 13 | June 14, 2022 | 9.75 ft |
| 14 | January 29, 2001 | 9.64 ft |
| 15 | January 2, 2011 | 9.57 ft |
| 16 | January 23, 1982 | 9.54 ft |
| 17 | January 3, 1979 | 9.38 ft |
| 18 | June 30, 2011 | 9.35 ft |
| 19 | January 7, 1971 | 9.30 ft |
| 20 | February 4, 1985 | 9.16 ft |
| 21 | June 2, 2018 | 9.15 ft |
| 22 | June 6, 1991 | 9.06 ft |
| 23 | June 10, 1970 | 9.03 ft |
| 24 | December 28, 1971 | 9.03 ft |
| 25 | June 18, 1974 | 9.02 ft |
Most recent crests
- June 14, 2022: 9.75 ft
- February 28, 2019: 10.87 ft
- February 10, 2019: 8.70 ft
- June 2, 2018: 9.15 ft
- May 29, 2014: 8.87 ft
- June 14, 2013: 7.46 ft
- January 13, 2013: 8.92 ft
- June 5, 2012: 8.05 ft
- June 30, 2011: 9.35 ft
- January 2, 2011: 9.57 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamGallatin River at Gallatin Gateway
- DownstreamMissouri River at Toston
- East Gallatin River at Manhattan
- Jefferson River at Three Forks
- Willow Creek (Southwest MT) at Harrison
- East Gallatin River at Bridger Creek near Bozeman
- East Gallatin River at abv Water Recl Fac nr Bozeman
- Hyalite Creek at S 19th near Gallatin Gateway
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.
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.