HENRYS FORK − NEAR ISLAND PARK DAM (ISLI1)
   State:  Idaho
   County:  Fremont
   Latitude:  44 24' 0" North
   Longitude:  111 22' 59" West
   Elevation:  6225 ft

   Supporting NWS Forecast Office: WFO Pocatello

   
Click for NWS Official River Forecasts for ISLI1
Daily Historical Statistics for July 26, 2024
Mean Stage: 4.48 ft  Mean Flow: 1260 cfs
Max Stage: 5.87 ft  Max Flow: 2380 cfs (1984)
Min Stage:  3.18 ft   Min Flow: 440 cfs (1934)

Statistics based on water years: 1933-2023
* 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 ISLI1


For Data Used In Plot   "label