SNAKE − NEAR SHELLEY (SHYI1)
   State:  Idaho
   County:  Bingham
   Latitude:  43 24' 47" North
   Longitude:  112 8' 6" West
   Elevation:  4599 ft

   Supporting NWS Forecast Office: WFO Pocatello

   
Click for NWS Official River Forecasts for SHYI1
   


   Action Stage:  
12 ft
   Flood Stage:  
12.5 ft
   Moderate Flood Stage:  
13 ft
   Major Flood Stage:  
13.5 ft
Daily Historical Statistics for May 13, 2026
Mean Stage: 8.58 ft  Mean Flow: 11600 cfs
Max Stage: 13.30 ft  Max Flow: 33100 cfs (1928)
Min Stage:  4.54 ft   Min Flow: 1320 cfs (1931)

Statistics based on water years: 1915-2025
* statistics estimated based on current rating

Record Stage: 
16.97 ft
Record Flow: 
75000 cfs
Date of Record: 
June 6, 1984

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

Hydrograph plot for SHYI1

Data Used In Plot   "label   USBR Observations