Rivers in Idaho
Salmon River at Salmon
Below flood stage
2.22ftStage
Observed Wed, Sep 30, 2:45 AM MDT
- Flood stage
- 7.50 ft
- Forecast crest
- 2.22 ftWed, Sep 30, 6:00 AM MDT
- Record crest
- 10.33 ft1985
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 9.50 ft |
| Moderate flood | 8.50 ft |
| Minor flood | 7.50 ft |
| Action | 7.00 ft |
- 9.50 ftHomes and businesses near the river may experience flooding.
- 8.00 ftA few houses near the river may experience flooding.
- 7.50 ftSome farmland and low lying areas near salmon may be flooded.
Flood outlook
Chance of flooding, October to December
| 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 29, 2026.
Crest history
45 crests on NOAA’s list since 1916.
| # | Date | Stage |
|---|---|---|
| 1 | February 7, 1985 | 10.33 ft |
| 2 | January 8, 1942 | 9.62 ft |
| 3 | January 12, 1973 | 9.60 ft |
| 4 | December 13, 1983 | 9.50 ft |
| 5 | June 6, 2017 | 9.15 ft |
| 6 | February 12, 1949 | 9.07 ft |
| 7 | January 12, 1984 | 9.00 ft |
| 8 | February 2, 1932 | 8.95 ft |
| 9 | February 3, 1956 | 8.90 ft |
| 10 | February 2, 1963 | 8.69 ft |
| 11 | June 17, 1974 | 8.67 ft |
| 12 | January 20, 1962 | 8.65 ft |
| 13 | February 4, 1950 | 8.57 ft |
| 14 | June 11, 1997 | 8.48 ft |
| 15 | January 30, 1936 | 8.48 ft |
| 16 | May 25, 1956 | 8.25 ft |
| 17 | June 12, 1921 | 8.12 ft |
| 18 | June 2, 1986 | 8.11 ft |
| 19 | January 27, 1957 | 8.04 ft |
| 20 | June 10, 1996 | 7.94 ft |
| 21 | June 13, 2022 | 7.91 ft |
| 22 | June 13, 1965 | 7.89 ft |
| 23 | June 8, 1972 | 7.77 ft |
| 24 | May 21, 2006 | 7.76 ft |
| 25 | June 21, 1982 | 7.56 ft |
Most recent crests
- May 12, 2025: 5.57 ft
- June 13, 2022: 7.91 ft
- June 6, 2017: 9.15 ft
- April 27, 2012: 7.16 ft
- June 24, 2011: 7.28 ft
- June 5, 2010: 7.19 ft
- May 21, 2006: 7.76 ft
- May 31, 2003: 7.23 ft
- June 19, 1999: 6.87 ft
- June 11, 1997: 8.48 ft
Nearby
Upstream, downstream and the gauges around this one.
- DownstreamSalmon River at White Bird
- Lemhi River at Lemhi
- Big Hole River at Jackson
- Big Hole River at Spring Creek near Jackson
- Big Hole River at Jackson at Miner Creek
- Pahsimeroi River at Ellis
- Middle Fork Salmon River at Mouth
- Big Hole River at Big Lake Creek at Wisdom
- West Fork Bitterroot River at Conner
What this means
Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.
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.