Rivers in Idaho

Henrys Fork near Island Park

Fremont County, IdahoNWS ISLI1USGS 13042500Pocatello office

No flood stages set
2.79ftStage

Observed Tue, Sep 22, 2:45 AM MDT

Forecast crest
2.82 ftTue, Sep 22, 6:00 AM MDT
Record crest
6.15 ft1946

Open the live map with the river flood outlook

Crest history

24 crests on NOAA’s list since 1943.

#DateStage
1April 26, 19466.15 ft
2May 23, 19846.06 ft
3June 1, 19435.96 ft
4July 18, 19555.87 ft
5August 26, 19835.85 ft
6May 18, 19825.82 ft
7July 21, 20155.80 ft
8May 13, 19715.80 ft
9June 9, 19995.80 ft
10July 30, 20135.45 ft
11June 30, 20085.38 ft
12May 28, 20115.29 ft
13May 23, 20065.27 ft
14May 1, 20195.18 ft
15July 24, 20175.14 ft
16May 1, 20205.02 ft
17April 25, 20185.00 ft
18August 4, 20124.91 ft
19August 6, 20144.88 ft
20June 30, 20164.79 ft
21June 8, 20104.78 ft
22July 8, 20214.78 ft
23May 14, 20094.70 ft
24July 6, 20224.66 ft

Most recent crests

  • July 6, 2022: 4.66 ft
  • July 8, 2021: 4.78 ft
  • May 1, 2020: 5.02 ft
  • May 1, 2019: 5.18 ft
  • April 25, 2018: 5.00 ft
  • July 24, 2017: 5.14 ft
  • June 30, 2016: 4.79 ft
  • July 21, 2015: 5.80 ft
  • August 6, 2014: 4.88 ft
  • July 30, 2013: 5.45 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round. Stage may be affected by ice during winter months.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.