SNAKE − AT NYSSA (SNYI1)
   State:  Idaho
   County:  Canyon
   Latitude:  43 52' 33" North
   Longitude:  116 58' 53" West
   Elevation:  5170 ft

   Supporting NWS Forecast Office: WFO Boise

   
Click for NWS Official River Forecasts for SNYI1
   

Daily Historical Statistics for March 16, 2026
Mean Stage: 6.75 ft  Mean Flow: 15000 cfs
Max Stage: 11.78 ft  Max Flow: 45200 cfs (1986)
Min Stage:  4.98 ft   Min Flow: 6500 cfs (1991)

Statistics based on water years: 1975-2025
* statistics estimated based on current rating

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

Hydrograph plot for SNYI1

Data Used In Plot   "label   USGS Observations