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Hydrograph River at a Glance Download
Eastern Idaho Reservoirs at American Falls Pool (ft)Observed: 4326.49 ft at 6:00AM Sep 19, 2020Observed: 4326.5 ft at 6:15AM Sep 19, 2020Observed: 4326.53 ft at 6:30AM Sep 19, 2020Observed: 4326.51 ft at 6:45AM Sep 19, 2020Highest Observation: 4326.65 ft at 7:00AM Sep 19, 2020Observed: 4326.63 ft at 7:15AM Sep 19, 2020Observed: 4326.64 ft at 7:30AM Sep 19, 2020Observed: 4326.6 ft at 7:45AM Sep 19, 2020Observed: 4326.49 ft at 8:00AM Sep 19, 2020Observed: 4326.47 ft at 8:15AM Sep 19, 2020Observed: 4326.48 ft at 8:30AM Sep 19, 2020Observed: 4326.51 ft at 8:45AM Sep 19, 2020Observed: 4326.59 ft at 9:00AM Sep 19, 2020Observed: 4326.55 ft at 9:15AM Sep 19, 2020Observed: 4326.56 ft at 9:30AM Sep 19, 2020Observed: 4326.48 ft at 9:45AM Sep 19, 2020Observed: 4326.51 ft at 10:00AM Sep 19, 2020Observed: 4326.5 ft at 10:15AM Sep 19, 2020Observed: 4326.54 ft at 10:30AM Sep 19, 2020Observed: 4326.54 ft at 10:45AM Sep 19, 2020Observed: 4326.54 ft at 11:00AM Sep 19, 2020Observed: 4326.54 ft at 11:15AM Sep 19, 2020Observed: 4326.5 ft at 11:30AM Sep 19, 2020Observed: 4326.47 ft at 11:45AM Sep 19, 2020Observed: 4326.48 ft at 12:00PM Sep 19, 2020Observed: 4326.52 ft at 12:15PM Sep 19, 2020Observed: 4326.53 ft at 12:30PM Sep 19, 2020Observed: 4326.5 ft at 12:45PM Sep 19, 2020Observed: 4326.45 ft at 1:00PM Sep 19, 2020Observed: 4326.45 ft at 1:15PM Sep 19, 2020Observed: 4326.42 ft at 1:30PM Sep 19, 2020Observed: 4326.43 ft at 1:45PM Sep 19, 2020Observed: 4326.43 ft at 2:00PM Sep 19, 2020Observed: 4326.44 ft at 2:15PM Sep 19, 2020Observed: 4326.43 ft at 2:30PM Sep 19, 2020Observed: 4326.45 ft at 2:45PM Sep 19, 2020Observed: 4326.46 ft at 3:00PM Sep 19, 2020Observed: 4326.42 ft at 3:15PM Sep 19, 2020Observed: 4326.44 ft at 3:30PM Sep 19, 2020Observed: 4326.44 ft at 3:45PM Sep 19, 2020Observed: 4326.44 ft at 4:00PM Sep 19, 2020Observed: 4326.45 ft at 4:15PM Sep 19, 2020Observed: 4326.41 ft at 4:30PM Sep 19, 2020Observed: 4326.39 ft at 4:45PM Sep 19, 2020Observed: 4326.4 ft at 5:00PM Sep 19, 2020Observed: 4326.4 ft at 5:15PM Sep 19, 2020Observed: 4326.39 ft at 5:30PM Sep 19, 2020Observed: 4326.4 ft at 5:45PM Sep 19, 2020Observed: 4326.39 ft at 6:00PM Sep 19, 2020Observed: 4326.39 ft at 6:15PM Sep 19, 2020Observed: 4326.4 ft at 6:30PM Sep 19, 2020Observed: 4326.4 ft at 6:45PM Sep 19, 2020Observed: 4326.39 ft at 7:00PM Sep 19, 2020Observed: 4326.39 ft at 7:15PM Sep 19, 2020Observed: 4326.38 ft at 7:30PM Sep 19, 2020Observed: 4326.38 ft at 7:45PM Sep 19, 2020Observed: 4326.4 ft at 8:00PM Sep 19, 2020Observed: 4326.39 ft at 8:15PM Sep 19, 2020Observed: 4326.4 ft at 8:30PM Sep 19, 2020Observed: 4326.4 ft at 8:45PM Sep 19, 2020Observed: 4326.4 ft at 9:00PM Sep 19, 2020Observed: 4326.39 ft at 9:15PM Sep 19, 2020Observed: 4326.36 ft at 9:30PM Sep 19, 2020Observed: 4326.34 ft at 9:45PM Sep 19, 2020Observed: 4326.31 ft at 10:00PM Sep 19, 2020Observed: 4326.33 ft at 10:15PM Sep 19, 2020Observed: 4326.34 ft at 10:30PM Sep 19, 2020Observed: 4326.33 ft at 10:45PM Sep 19, 2020Observed: 4326.35 ft at 11:00PM Sep 19, 2020Observed: 4326.34 ft at 11:15PM Sep 19, 2020Observed: 4326.35 ft at 11:30PM Sep 19, 2020Observed: 4326.3 ft at 11:45PM Sep 19, 2020Observed: 4326.28 ft at 12:00AM Sep 20, 2020Observed: 4326.35 ft at 12:15AM Sep 20, 2020Observed: 4326.4 ft at 12:30AM Sep 20, 2020Observed: 4326.55 ft at 12:45AM Sep 20, 2020Observed: 4326.49 ft at 1:00AM Sep 20, 2020Observed: 4326.37 ft at 1:15AM Sep 20, 2020Observed: 4326.36 ft at 1:30AM Sep 20, 2020Observed: 4326.32 ft at 1:45AM Sep 20, 2020Observed: 4326.37 ft at 2:00AM Sep 20, 2020Observed: 4326.37 ft at 2:15AM Sep 20, 2020Observed: 4326.4 ft at 2:30AM Sep 20, 2020Observed: 4326.45 ft at 2:45AM Sep 20, 2020Observed: 4326.42 ft at 3:00AM Sep 20, 2020Observed: 4326.37 ft at 3:15AM Sep 20, 2020Observed: 4326.29 ft at 3:30AM Sep 20, 2020Observed: 4326.31 ft at 3:45AM Sep 20, 2020Observed: 4326.36 ft at 4:00AM Sep 20, 2020Observed: 4326.41 ft at 4:15AM Sep 20, 2020Observed: 4326.41 ft at 4:30AM Sep 20, 2020Observed: 4326.4 ft at 4:45AM Sep 20, 2020Observed: 4326.37 ft at 5:00AM Sep 20, 2020Observed: 4326.34 ft at 5:15AM Sep 20, 2020Observed: 4326.29 ft at 5:30AM Sep 20, 2020Observed: 4326.32 ft at 5:45AM Sep 20, 2020Observed: 4326.36 ft at 6:00AM Sep 20, 2020Observed: 4326.39 ft at 6:15AM Sep 20, 2020Observed: 4326.4 ft at 6:30AM Sep 20, 2020Observed: 4326.36 ft at 6:45AM Sep 20, 2020Observed: 4326.34 ft at 7:00AM Sep 20, 2020Observed: 4326.32 ft at 7:15AM Sep 20, 2020Observed: 4326.32 ft at 7:30AM Sep 20, 2020Observed: 4326.33 ft at 7:45AM Sep 20, 2020Observed: 4326.36 ft at 8:00AM Sep 20, 2020Observed: 4326.37 ft at 8:15AM Sep 20, 2020Observed: 4326.37 ft at 8:30AM Sep 20, 2020Observed: 4326.34 ft at 8:45AM Sep 20, 2020Observed: 4326.32 ft at 9:00AM Sep 20, 2020Observed: 4326.29 ft at 9:15AM Sep 20, 2020Observed: 4326.32 ft at 9:30AM Sep 20, 2020Observed: 4326.33 ft at 9:45AM Sep 20, 2020Observed: 4326.34 ft at 10:00AM Sep 20, 2020Observed: 4326.35 ft at 10:15AM Sep 20, 2020Observed: 4326.33 ft at 10:30AM Sep 20, 2020Observed: 4326.31 ft at 10:45AM Sep 20, 2020Observed: 4326.3 ft at 11:00AM Sep 20, 2020Observed: 4326.3 ft at 11:15AM Sep 20, 2020Observed: 4326.32 ft at 11:30AM Sep 20, 2020Observed: 4326.32 ft at 11:45AM Sep 20, 2020Observed: 4326.32 ft at 12:00PM Sep 20, 2020Observed: 4326.32 ft at 12:15PM Sep 20, 2020Observed: 4326.31 ft at 12:30PM Sep 20, 2020Observed: 4326.3 ft at 12:45PM Sep 20, 2020Observed: 4326.29 ft at 1:00PM Sep 20, 2020Observed: 4326.3 ft at 1:15PM Sep 20, 2020Observed: 4326.3 ft at 1:30PM Sep 20, 2020Observed: 4326.31 ft at 1:45PM Sep 20, 2020Observed: 4326.31 ft at 2:00PM Sep 20, 2020Observed: 4326.29 ft at 2:15PM Sep 20, 2020Observed: 4326.28 ft at 2:30PM Sep 20, 2020Observed: 4326.27 ft at 2:45PM Sep 20, 2020Observed: 4326.27 ft at 3:00PM Sep 20, 2020Observed: 4326.28 ft at 3:15PM Sep 20, 2020Observed: 4326.29 ft at 3:30PM Sep 20, 2020Observed: 4326.29 ft at 3:45PM Sep 20, 2020Observed: 4326.28 ft at 4:00PM Sep 20, 2020Observed: 4326.27 ft at 4:15PM Sep 20, 2020Observed: 4326.27 ft at 4:30PM Sep 20, 2020Observed: 4326.26 ft at 4:45PM Sep 20, 2020Observed: 4326.27 ft at 5:00PM Sep 20, 2020Observed: 4326.27 ft at 5:15PM Sep 20, 2020Observed: 4326.27 ft at 5:30PM Sep 20, 2020Observed: 4326.27 ft at 5:45PM Sep 20, 2020Observed: 4326.26 ft at 6:00PM Sep 20, 2020Observed: 4326.25 ft at 6:15PM Sep 20, 2020Observed: 4326.25 ft at 6:30PM Sep 20, 2020Observed: 4326.25 ft at 6:45PM Sep 20, 2020Observed: 4326.27 ft at 7:00PM Sep 20, 2020Observed: 4326.27 ft at 7:15PM Sep 20, 2020Observed: 4326.26 ft at 7:30PM Sep 20, 2020Observed: 4326.25 ft at 7:45PM Sep 20, 2020Observed: 4326.24 ft at 8:00PM Sep 20, 2020Observed: 4326.25 ft at 8:15PM Sep 20, 2020Observed: 4326.24 ft at 8:30PM Sep 20, 2020Observed: 4326.24 ft at 8:45PM Sep 20, 2020Observed: 4326.24 ft at 9:00PM Sep 20, 2020Observed: 4326.24 ft at 9:15PM Sep 20, 2020Observed: 4326.24 ft at 9:30PM Sep 20, 2020Observed: 4326.22 ft at 9:45PM Sep 20, 2020Observed: 4326.21 ft at 10:00PM Sep 20, 2020Observed: 4326.21 ft at 10:15PM Sep 20, 2020Observed: 4326.21 ft at 10:30PM Sep 20, 2020Observed: 4326.23 ft at 10:45PM Sep 20, 2020Observed: 4326.23 ft at 11:00PM Sep 20, 2020Observed: 4326.21 ft at 11:15PM Sep 20, 2020Observed: 4326.21 ft at 11:30PM Sep 20, 2020Observed: 4326.2 ft at 11:45PM Sep 20, 2020Observed: 4326.2 ft at 12:00AM Sep 21, 2020Observed: 4326.2 ft at 12:15AM Sep 21, 2020Observed: 4326.21 ft at 12:30AM Sep 21, 2020Observed: 4326.21 ft at 12:45AM Sep 21, 2020Observed: 4326.21 ft at 1:00AM Sep 21, 2020Observed: 4326.21 ft at 1:15AM Sep 21, 2020Observed: 4326.18 ft at 1:30AM Sep 21, 2020Observed: 4326.17 ft at 1:45AM Sep 21, 2020Observed: 4326.17 ft at 2:00AM Sep 21, 2020Observed: 4326.2 ft at 2:15AM Sep 21, 2020Observed: 4326.2 ft at 2:30AM Sep 21, 2020Observed: 4326.19 ft at 2:45AM Sep 21, 2020Observed: 4326.18 ft at 3:00AM Sep 21, 2020Observed: 4326.18 ft at 3:15AM Sep 21, 2020Observed: 4326.17 ft at 3:30AM Sep 21, 2020Observed: 4326.17 ft at 3:45AM Sep 21, 2020Observed: 4326.17 ft at 4:00AM Sep 21, 2020Observed: 4326.18 ft at 4:15AM Sep 21, 2020Observed: 4326.21 ft at 4:30AM Sep 21, 2020Observed: 4326.21 ft at 4:45AM Sep 21, 2020Observed: 4326.2 ft at 5:00AM Sep 21, 2020Observed: 4326.18 ft at 5:15AM Sep 21, 2020Observed: 4326.18 ft at 5:30AM Sep 21, 2020Observed: 4326.19 ft at 5:45AM Sep 21, 2020Observed: 4326.2 ft at 6:00AM Sep 21, 2020Observed: 4326.21 ft at 6:15AM Sep 21, 2020Observed: 4326.21 ft at 6:30AM Sep 21, 2020Observed: 4326.19 ft at 6:45AM Sep 21, 2020Observed: 4326.17 ft at 7:00AM Sep 21, 2020Observed: 4326.16 ft at 7:15AM Sep 21, 2020Observed: 4326.15 ft at 7:30AM Sep 21, 2020Observed: 4326.18 ft at 7:45AM Sep 21, 2020Observed: 4326.2 ft at 8:00AM Sep 21, 2020Observed: 4326.18 ft at 8:15AM Sep 21, 2020Observed: 4326.17 ft at 8:30AM Sep 21, 2020Observed: 4326.14 ft at 8:45AM Sep 21, 2020Observed: 4326.14 ft at 9:00AM Sep 21, 2020Observed: 4326.14 ft at 9:15AM Sep 21, 2020Observed: 4326.14 ft at 9:30AM Sep 21, 2020Observed: 4326.16 ft at 9:45AM Sep 21, 2020Observed: 4326.19 ft at 10:00AM Sep 21, 2020Observed: 4326.18 ft at 10:15AM Sep 21, 2020Observed: 4326.15 ft at 10:30AM Sep 21, 2020Observed: 4326.14 ft at 10:45AM Sep 21, 2020Observed: 4326.12 ft at 11:00AM Sep 21, 2020Observed: 4326.14 ft at 11:15AM Sep 21, 2020Observed: 4326.14 ft at 11:30AM Sep 21, 2020Observed: 4326.16 ft at 11:45AM Sep 21, 2020Observed: 4326.16 ft at 12:00PM Sep 21, 2020Observed: 4326.15 ft at 12:15PM Sep 21, 2020Observed: 4326.12 ft at 12:30PM Sep 21, 2020Observed: 4326.11 ft at 12:45PM Sep 21, 2020Observed: 4326.1 ft at 1:00PM Sep 21, 2020Observed: 4326.12 ft at 1:15PM Sep 21, 2020Observed: 4326.13 ft at 1:30PM Sep 21, 2020Observed: 4326.13 ft at 1:45PM Sep 21, 2020Observed: 4326.12 ft at 2:00PM Sep 21, 2020Observed: 4326.11 ft at 2:15PM Sep 21, 2020Observed: 4326.1 ft at 2:30PM Sep 21, 2020Observed: 4326.09 ft at 2:45PM Sep 21, 2020Observed: 4326.09 ft at 3:00PM Sep 21, 2020Observed: 4326.1 ft at 3:15PM Sep 21, 2020Observed: 4326.11 ft at 3:30PM Sep 21, 2020Observed: 4326.11 ft at 3:45PM Sep 21, 2020Observed: 4326.1 ft at 4:00PM Sep 21, 2020Observed: 4326.08 ft at 4:15PM Sep 21, 2020Observed: 4326.07 ft at 4:30PM Sep 21, 2020Observed: 4326.07 ft at 4:45PM Sep 21, 2020Observed: 4326.08 ft at 5:00PM Sep 21, 2020Observed: 4326.09 ft at 5:15PM Sep 21, 2020Observed: 4326.1 ft at 5:30PM Sep 21, 2020Observed: 4326.09 ft at 5:45PM Sep 21, 2020Observed: 4326.07 ft at 6:00PM Sep 21, 2020Observed: 4326.06 ft at 6:15PM Sep 21, 2020Observed: 4326.06 ft at 6:30PM Sep 21, 2020Observed: 4326.07 ft at 6:45PM Sep 21, 2020Observed: 4326.07 ft at 7:00PM Sep 21, 2020Observed: 4326.08 ft at 7:15PM Sep 21, 2020Observed: 4326.07 ft at 7:30PM Sep 21, 2020Observed: 4326.07 ft at 7:45PM Sep 21, 2020Observed: 4326.05 ft at 8:00PM Sep 21, 2020Observed: 4326.04 ft at 8:15PM Sep 21, 2020Observed: 4326.05 ft at 8:30PM Sep 21, 2020Observed: 4326.05 ft at 8:45PM Sep 21, 2020Observed: 4326.07 ft at 9:00PM Sep 21, 2020Observed: 4326.06 ft at 9:15PM Sep 21, 2020Observed: 4326.06 ft at 9:30PM Sep 21, 2020Observed: 4326.04 ft at 9:45PM Sep 21, 2020Observed: 4326.04 ft at 10:00PM Sep 21, 2020Observed: 4326.03 ft at 10:15PM Sep 21, 2020Observed: 4326.03 ft at 10:30PM Sep 21, 2020Observed: 4326.04 ft at 10:45PM Sep 21, 2020Observed: 4326.04 ft at 11:00PM Sep 21, 2020Observed: 4326.03 ft at 11:15PM Sep 21, 2020Observed: 4326.02 ft at 11:30PM Sep 21, 2020Observed: 4326.03 ft at 11:45PM Sep 21, 2020Observed: 4326.03 ft at 12:00AM Sep 22, 2020Observed: 4326.04 ft at 12:15AM Sep 22, 2020Observed: 4326.03 ft at 12:30AM Sep 22, 2020Observed: 4326.03 ft at 12:45AM Sep 22, 2020Observed: 4326.03 ft at 1:00AM Sep 22, 2020Observed: 4326.03 ft at 1:15AM Sep 22, 2020Observed: 4326.02 ft at 1:30AM Sep 22, 2020Observed: 4326.03 ft at 1:45AM Sep 22, 2020Observed: 4326.04 ft at 2:00AM Sep 22, 2020Observed: 4326.05 ft at 2:15AM Sep 22, 2020Observed: 4326.03 ft at 2:30AM Sep 22, 2020Observed: 4326.01 ft at 2:45AM Sep 22, 2020Observed: 4326 ft at 3:00AM Sep 22, 2020Observed: 4326.01 ft at 3:15AM Sep 22, 2020Observed: 4326.01 ft at 3:30AM Sep 22, 2020Observed: 4326.01 ft at 3:45AM Sep 22, 2020Observed: 4326.03 ft at 4:00AM Sep 22, 2020Observed: 4326.01 ft at 4:15AM Sep 22, 2020Observed: 4326.01 ft at 4:30AM Sep 22, 2020Observed: 4326.01 ft at 4:45AM Sep 22, 2020Highest Forecast: 4326.05 ft 6:00AM Sep 22, 2020Forecast: 4326.01 ft 12:00PM Sep 22, 2020Forecast: 4325.98 ft 6:00PM Sep 22, 2020Forecast: 4325.94 ft 12:00AM Sep 23, 2020Forecast: 4325.91 ft 6:00AM Sep 23, 2020Forecast: 4325.88 ft 12:00PM Sep 23, 2020Forecast: 4325.85 ft 6:00PM Sep 23, 2020Forecast: 4325.82 ft 12:00AM Sep 24, 2020Forecast: 4325.79 ft 6:00AM Sep 24, 2020Forecast: 4325.76 ft 12:00PM Sep 24, 2020Forecast: 4325.73 ft 6:00PM Sep 24, 2020Forecast: 4325.7 ft 12:00AM Sep 25, 2020Forecast: 4325.68 ft 6:00AM Sep 25, 2020Forecast: 4325.65 ft 12:00PM Sep 25, 2020Forecast: 4325.63 ft 6:00PM Sep 25, 2020Forecast: 4325.6 ft 12:00AM Sep 26, 2020Forecast: 4325.58 ft 6:00AM Sep 26, 2020Forecast: 4325.55 ft 12:00PM Sep 26, 2020Forecast: 4325.53 ft 6:00PM Sep 26, 2020Forecast: 4325.5 ft 12:00AM Sep 27, 2020Forecast: 4325.48 ft 6:00AM Sep 27, 2020Forecast: 4325.45 ft 12:00PM Sep 27, 2020Forecast: 4325.42 ft 6:00PM Sep 27, 2020Forecast: 4325.39 ft 12:00AM Sep 28, 2020Forecast: 4325.36 ft 6:00AM Sep 28, 2020Forecast: 4325.33 ft 12:00PM Sep 28, 2020Forecast: 4325.3 ft 6:00PM Sep 28, 2020Forecast: 4325.27 ft 12:00AM Sep 29, 2020AFRI1(plotting HPIRG) Graph Created (5:48AM Sep 22, 2020)ObservedForecast (issued 3:24PM Sep 21)Latest observed value: 4326.01 ft at 4:45 AM MDT 22-Sep-2020.
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Eastern Idaho Reservoirs at American Falls are issued routinely year-round.

Vertical datum height surveyed by the USGS

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Neeley
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 4354.55
Low Stage (in feet): -9999

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4,295.60 ft on 09/29/1977
Zoom Level:16
KML Image
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.
About This Location Collapse

Latitude: 42.778890° N, Longitude: 112.876940° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 4300.0 ft Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
National Weather Service
Pocatello Weather Forecast Office
1945 Beechcraft Ave
Pocatello, ID 83204
(208) 232-9306
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Page last modified: 1-Mar-2019 12:33 AM
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