Fall River (WY-ID) near Chester, ID
River level and flood forecast · Fremont County
The river is 4.1 ft below flood stage (6.5 ft).
Forecast to hold near 2.4 ft through Mon, Oct 19, 6 PM.
Flow: 535 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.
Get flood alerts for this river
An email when the National Weather Service forecasts Fall River (WY-ID) near Chester to flood, when it floods, and when it's over.
Flood stages
| Flood stage | 6.5 ft |
| Action stage | 6 ft |
| Record crest (June 9, 1981) | 7.83 ft |
What floods at each level
From the National Weather Service, highest first.
- 6.5 ftRiver reaches wood shingles part of gage house at 6.5 feet, overflow occurs in lowlying floodplains slightly before that level. Side channels exist where water can go at higher flows. No known impacts to flooding.
Highest crests on record
- 7.83 ft — June 9, 1981
- 7.53 ft — June 8, 2011
- 6.92 ft — June 8, 2010
- 6.6 ft — June 27, 1927
- 6.56 ft — May 17, 1996
Recent crests: 5.55 ft (June 13, 2022) · 4.92 ft (June 1, 2020) · 5.16 ft (May 17, 2019) · 5.1 ft (May 24, 2018) · 5 ft (June 14, 2017)
Up and down the river, and nearby
- UpstreamFall River (WY-ID) near Ashton, ID
- DownstreamHenrys Fork at St Anthony, ID
- Henrys Fork near Ashton, ID
- Teton River (ID) near St. Anthony, ID
- North Fork Teton River near Sugar City, ID
- South Fork Teton River near Rexburg, 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 (CHEI1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.