GREATWESTRN SPILLBCK NR IDFL (GWSI1)
   State:  Idaho
   County:  Bonneville
   Latitude:  43 36' 24" North
   Longitude:  112 4' 32" West
   Elevation:  4760 ft

   Supporting NWS Forecast Office: WFO Pocatello

   
Click for NWS Official River Forecasts for GWSI1
Daily Historical Statistics for July 03, 2025
Mean Stage: 1.44 ft  Mean Flow: 114 cfs
Max Stage: 1.96 ft  Max Flow: 176 cfs (2005)
Min Stage:  0.70 ft   Min Flow: 44 cfs (2006)

Statistics based on water years: 1988-2024
* 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 GWSI1


For Data Used In Plot   "label