Salmon River at Salmon, ID
River level and flood forecast · Lemhi County
The river is 5.1 ft below flood stage (7.5 ft).
Forecast to hold near 2.4 ft through Mon, Oct 19, 6 PM.
Flow: 1,150 cubic feet per second (USGS).
River camera
Camera by the U.S. Geological Survey. Most take a picture every hour, some every few minutes; many stop at night.
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:12 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Salmon River at Salmon to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 9.5 ft |
| Moderate flood stage | 8.5 ft |
| Flood stage | 7.5 ft |
| Action stage | 7 ft |
| Record crest (February 7, 1985) | 10.33 ft |
What floods at each level
From the National Weather Service, highest first.
- 9.5 ftHomes and businesses near the river may experience flooding.
- 8 ftA few houses near the river may experience flooding.
- 7.5 ftSome farmland and low lying areas near salmon may be flooded.
Highest crests on record
- 10.33 ft — February 7, 1985
- 9.62 ft — January 8, 1942
- 9.6 ft — January 12, 1973
- 9.5 ft — December 13, 1983
- 9.15 ft — June 6, 2017
Recent crests: 5.57 ft (May 12, 2025) · 7.91 ft (June 13, 2022) · 9.15 ft (June 6, 2017) · 7.16 ft (April 27, 2012) · 7.28 ft (June 24, 2011)
Up and down the river, and nearby
- DownstreamSalmon River at White Bird, ID
- Lemhi River near Lemhi, ID
- Pahsimeroi River at Ellis, ID
- Middle Fork Salmon River at Mouth, ID
- Big Hole River below Big Lake Creek at Wisdom, MT
- West Fork Bitterroot River near Conner, MT
- Big Hole River below Mudd Creek near Wisdom, MT
- Bitterroot River near Darby, MT
- Beaverhead River at Barretts, MT
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SMNI1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.
