Henrys Fork near Island Park, ID
River level and flood forecast · Fremont County
Normal2.2 ftas of Mon 10:45 PM
Forecast to hold near 2.2 ft through Tue, Oct 20, 12 AM.
Flow: 96 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:56 AM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 6.15 ft — April 26, 1946
- 6.06 ft — May 23, 1984
- 5.96 ft — June 1, 1943
- 5.87 ft — July 18, 1955
- 5.85 ft — August 26, 1983
Recent crests: 4.66 ft (July 6, 2022) · 4.78 ft (July 8, 2021) · 5.02 ft (May 1, 2020) · 5.18 ft (May 1, 2019) · 5 ft (April 25, 2018)
Up and down the river, and nearby
- DownstreamHenrys Fork near Ashton, ID
- Henrys Fork near Lake, ID
- Eastern Idaho Reservoirs at Henrys Lake, ID
- Red Rock Creek above Lakes near Lakeview, MT
- Madison River near West Yellowstone, MT
- Fall River (WY-ID) near Ashton, ID
- Fall River (WY-ID) near Squirrel, ID
- Fall River (WY-ID) above Yellowstone Canal near Squirrel, ID
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ISLI1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.