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Local Info
Critical Stages
ActionFloodModerate FloodMajor Flood
Henrys Fork River - Gauge ISLI1
Island Park, ID
Lat: 44.40N, Lon: 111.38W
 
Latest Observation
Updated: 5:45 PM MDT 10/8/25
Stage:2.22 ft
Flow:0.166 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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