SNAKE − AT BLACKFOOT (SNAI1)
   State:  Idaho
   County:  Bingham
   Latitude:  43 11' 51" North
   Longitude:  112 22' 9" West
   Elevation:  4490 ft

   Supporting NWS Forecast Office: WFO Pocatello

   
Click for NWS Official River Forecasts for SNAI1
   


   Action Stage:  
9.5 ft
   Flood Stage:  
10.5 ft
   Moderate Flood Stage:  
11.5 ft
   Major Flood Stage:  
13 ft
Daily Historical Statistics for February 08, 2026
Mean Stage: 5.66 ft  Mean Flow: 3040 cfs
Max Stage: 7.62 ft  Max Flow: 8700 cfs (1997)
Min Stage:  4.59 ft   Min Flow: 1220 cfs (1982)

Statistics based on water years: 1979-2025
* statistics estimated based on current rating

Record Stage: 
13.55 ft
Record Flow: 
43200 cfs
Date of Record: 
June 17, 1997

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

Hydrograph plot for SNAI1

Data Used In Plot   "label   USBR Observations