Grand River near Gallatin
Observed Wed, Sep 23, 4:45 AM CDT
- Flood stage
- 26.00 ft
- Record crest
- 45.00 ft1909
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 39.00 ft |
| Moderate flood | 33.00 ft |
| Minor flood | 26.00 ft |
| Action | 21.00 ft |
- 40.00 ftState Highway 6 near Gallatin floods. In addition, a gas station on the west side of the river is threatened by flooding.
- 33.00 ftOver twenty thousand acres of farmland flood. In addition, a sand and gravel operation downstream of Highway 6 is threatened by flooding.
- 26.00 ftLow-lying woodlands and farmland along the river flood.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 23% |
| Moderate flooding | 14% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.
Crest history
166 crests on NOAA’s list since 1909.
| # | Date | Stage |
|---|---|---|
| 1 | July 8, 1909 | 45.00 ft |
| 2 | June 2, 1929 | 42.02 ft |
| 3 | September 17, 1926 | 41.80 ft |
| 4 | July 7, 1993 | 41.50 ft |
| 5 | November 19, 1928 | 40.50 ft |
| 6 | May 1, 1914 | 40.50 ft |
| 7 | June 24, 1947 | 39.55 ft |
| 8 | May 5, 1919 | 39.30 ft |
| 9 | May 30, 2019 | 39.18 ft |
| 10 | May 8, 2007 | 39.17 ft |
| 11 | June 5, 1919 | 39.10 ft |
| 12 | July 8, 1929 | 39.02 ft |
| 13 | October 5, 1926 | 38.90 ft |
| 14 | June 4, 1935 | 38.60 ft |
| 15 | April 21, 1929 | 38.50 ft |
| 16 | June 8, 1947 | 38.30 ft |
| 17 | October 13, 1973 | 38.22 ft |
| 18 | November 25, 1931 | 38.16 ft |
| 19 | July 24, 1928 | 38.00 ft |
| 20 | April 21, 1927 | 37.40 ft |
| 21 | July 1, 2017 | 36.82 ft |
| 22 | April 24, 1944 | 36.55 ft |
| 23 | November 4, 1928 | 36.40 ft |
| 24 | January 3, 1932 | 36.36 ft |
| 25 | June 23, 1942 | 36.00 ft |
Most recent crests
- June 16, 2026: 27.16 ft
- June 6, 2026: 31.06 ft
- May 19, 2026: 30.16 ft
- June 27, 2025: 30.32 ft
- May 3, 2024: 28.86 ft
- August 5, 2023: 27.54 ft
- June 9, 2022: 26.48 ft
- June 26, 2021: 27.74 ft
- March 16, 2021: 27.31 ft
- May 28, 2020: 26.48 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. 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. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 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.