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Hydrograph River at a Glance Download
Fall River (WY-ID) near Chester Stage (ft)Flow (cfs)Highest Forecast: 2.18 ft 5:00AM Feb 25, 2021Forecast: 2.17 ft 11:00AM Feb 25, 2021Forecast: 2.17 ft 5:00PM Feb 25, 2021Forecast: 2.17 ft 11:00PM Feb 25, 2021Forecast: 2.17 ft 5:00AM Feb 26, 2021Forecast: 2.17 ft 11:00AM Feb 26, 2021Forecast: 2.17 ft 5:00PM Feb 26, 2021Forecast: 2.17 ft 11:00PM Feb 26, 2021Forecast: 2.17 ft 5:00AM Feb 27, 2021Forecast: 2.17 ft 11:00AM Feb 27, 2021Forecast: 2.17 ft 5:00PM Feb 27, 2021Forecast: 2.17 ft 11:00PM Feb 27, 2021Forecast: 2.16 ft 5:00AM Feb 28, 2021Forecast: 2.16 ft 11:00AM Feb 28, 2021Forecast: 2.16 ft 5:00PM Feb 28, 2021Forecast: 2.16 ft 11:00PM Feb 28, 2021Forecast: 2.16 ft 5:00AM Mar 01, 2021Forecast: 2.15 ft 11:00AM Mar 01, 2021Forecast: 2.15 ft 5:00PM Mar 01, 2021Forecast: 2.15 ft 11:00PM Mar 01, 2021Forecast: 2.15 ft 5:00AM Mar 02, 2021Forecast: 2.14 ft 11:00AM Mar 02, 2021Forecast: 2.14 ft 5:00PM Mar 02, 2021Forecast: 2.14 ft 11:00PM Mar 02, 2021Forecast: 2.14 ft 5:00AM Mar 03, 2021Forecast: 2.13 ft 11:00AM Mar 03, 2021Forecast: 2.13 ft 5:00PM Mar 03, 2021Forecast: 2.13 ft 11:00PM Mar 03, 2021USGS--Water Resources of the United StatesCHEI1(plotting HGIRG) Graph Created (1:17AM Feb 25, 2021)Forecast (issued 4:14PM Feb 24)Flood Stage is 6.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Stage may be affected by ice during winter months.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Fall River (WY-ID) near Chester are issued routinely year-round.

Return to Area Map
Upstream Gauge - near Ashton Upstream Gauge Downstream Gauge Downstream Gauge - at St Anthony
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 6.5
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 7.83 ft on 06/09/1981
(2) 7.53 ft on 06/08/2011
(3) 6.92 ft on 06/08/2010
(4) 6.60 ft on 06/27/1927
(5) 6.56 ft on 05/17/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.16 ft on 05/17/2019
(2) 5.10 ft on 05/24/2018
(3) 5.00 ft on 06/14/2017
(4) 4.23 ft on 05/20/2016
(5) 4.02 ft on 05/17/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.74 ft on 06/27/1961
Zoom Level:16
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Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
6.5 or 6767 cfs... River 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.
About This Location Collapse

Latitude: 44.018175° N, Longitude: 111.566603° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 5051.89990234375 ft 4952.89990234375 ft  

Current/Historical Observations:
Additional Information Collapse
Historical Peak Flows     (Scroll to Streamflow Statistics for more years)
USGS Historical Peak Flows Explanation
Graphical View of Historical Peak Flows and Gage Analysis 

25   Year Peak Flood 5930 CFS or 6.17 ft
50   Year Peak Flood 6530 CFS or 6.44 ft
100 Year Peak Flood 7140 CFS or 6.70 ft
200 Year Peak Flood 7750 CFS or 6.94 ft
500 Year Peak Flood 8570 CFS or 7.26 ft
 
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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