SALMON − AT SALMON (SMNI1)
   State:  Idaho
   County:  Lemhi
   Latitude:  45 11' 0" North
   Longitude:  113 53' 39" West
   Elevation:  3911 ft

   Supporting NWS Forecast Office: WFO Missoula

   
Click for NWS Official River Forecasts for SMNI1

   Action Stage:  
7 ft
   Flood Stage:  
7.5 ft
   Moderate Flood Stage:  
8.5 ft
   Major Flood Stage:  
9.5 ft
Daily Historical Statistics for October 17, 2025
Mean Stage: 2.45 ft  Mean Flow: 1290 cfs
Max Stage: 3.02 ft  Max Flow: 1970 cfs (1963)
Min Stage:  1.92 ft   Min Flow: 775 cfs (1938)

Statistics based on water years: 1913-2025
* statistics estimated based on current rating

Record Stage: 
10.33 ft
Date of Record: 
June 17, 1974

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for SMNI1


For Data Used In Plot   "label