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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

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Hydrograph River at a Glance Download
Willow Creek (Eastern ID) below Ririe Dam near Ririe Stage (ft)Flow (cfs)Observed: 3.82 ft at 5:15PM Sep 27, 2023Observed: 3.82 ft at 5:30PM Sep 27, 2023Observed: 3.82 ft at 5:45PM Sep 27, 2023Observed: 3.82 ft at 6:00PM Sep 27, 2023Observed: 3.82 ft at 6:15PM Sep 27, 2023Observed: 3.82 ft at 6:30PM Sep 27, 2023Observed: 3.82 ft at 6:45PM Sep 27, 2023Observed: 3.82 ft at 7:00PM Sep 27, 2023Observed: 3.82 ft at 7:15PM Sep 27, 2023Observed: 3.82 ft at 7:30PM Sep 27, 2023Observed: 3.82 ft at 7:45PM Sep 27, 2023Observed: 3.81 ft at 8:00PM Sep 27, 2023Observed: 3.82 ft at 8:15PM Sep 27, 2023Observed: 3.81 ft at 8:30PM Sep 27, 2023Observed: 3.81 ft at 8:45PM Sep 27, 2023Observed: 3.81 ft at 9:00PM Sep 27, 2023Observed: 3.82 ft at 9:15PM Sep 27, 2023Observed: 3.82 ft at 9:30PM Sep 27, 2023Observed: 3.82 ft at 9:45PM Sep 27, 2023Observed: 3.82 ft at 10:00PM Sep 27, 2023Observed: 3.82 ft at 10:15PM Sep 27, 2023Observed: 3.82 ft at 10:30PM Sep 27, 2023Observed: 3.82 ft at 10:45PM Sep 27, 2023Observed: 3.82 ft at 11:00PM Sep 27, 2023Observed: 3.82 ft at 11:15PM Sep 27, 2023Observed: 3.82 ft at 11:30PM Sep 27, 2023Observed: 3.82 ft at 11:45PM Sep 27, 2023Observed: 3.82 ft at 12:00AM Sep 28, 2023Observed: 3.82 ft at 12:15AM Sep 28, 2023Observed: 3.82 ft at 12:30AM Sep 28, 2023Observed: 3.82 ft at 12:45AM Sep 28, 2023Observed: 3.82 ft at 1:00AM Sep 28, 2023Observed: 3.82 ft at 1:15AM Sep 28, 2023Observed: 3.82 ft at 1:30AM Sep 28, 2023Observed: 3.82 ft at 1:45AM Sep 28, 2023Observed: 3.82 ft at 2:00AM Sep 28, 2023Observed: 3.82 ft at 2:15AM Sep 28, 2023Observed: 3.82 ft at 2:30AM Sep 28, 2023Observed: 3.82 ft at 2:45AM Sep 28, 2023Observed: 3.82 ft at 3:00AM Sep 28, 2023Observed: 3.82 ft at 3:15AM Sep 28, 2023Observed: 3.82 ft at 3:30AM Sep 28, 2023Observed: 3.82 ft at 3:45AM Sep 28, 2023Observed: 3.82 ft at 4:00AM Sep 28, 2023Observed: 3.81 ft at 4:15AM Sep 28, 2023Observed: 3.82 ft at 4:30AM Sep 28, 2023Observed: 3.81 ft at 4:45AM Sep 28, 2023Observed: 3.82 ft at 5:00AM Sep 28, 2023Observed: 3.82 ft at 5:15AM Sep 28, 2023Observed: 3.82 ft at 5:30AM Sep 28, 2023Observed: 3.82 ft at 5:45AM Sep 28, 2023Observed: 3.81 ft at 6:00AM Sep 28, 2023Observed: 3.82 ft at 6:15AM Sep 28, 2023Observed: 3.82 ft at 6:30AM Sep 28, 2023Observed: 3.82 ft at 6:45AM Sep 28, 2023Observed: 3.82 ft at 7:00AM Sep 28, 2023Observed: 3.82 ft at 7:15AM Sep 28, 2023Observed: 3.82 ft at 7:30AM Sep 28, 2023Observed: 3.82 ft at 7:45AM Sep 28, 2023Observed: 3.82 ft at 8:00AM Sep 28, 2023Observed: 3.82 ft at 8:15AM Sep 28, 2023Observed: 3.82 ft at 8:30AM Sep 28, 2023Observed: 3.82 ft at 8:45AM Sep 28, 2023Observed: 3.82 ft at 9:00AM Sep 28, 2023Observed: 3.82 ft at 9:15AM Sep 28, 2023Observed: 3.82 ft at 9:30AM Sep 28, 2023Observed: 3.82 ft at 9:45AM Sep 28, 2023Observed: 3.82 ft at 10:00AM Sep 28, 2023Observed: 3.82 ft at 10:15AM Sep 28, 2023Observed: 3.82 ft at 10:30AM Sep 28, 2023Observed: 3.82 ft at 10:45AM Sep 28, 2023Observed: 3.82 ft at 11:00AM Sep 28, 2023Observed: 3.82 ft at 11:15AM Sep 28, 2023Observed: 3.82 ft at 11:30AM Sep 28, 2023Observed: 3.82 ft at 11:45AM Sep 28, 2023Observed: 3.82 ft at 12:00PM Sep 28, 2023Observed: 3.82 ft at 12:15PM Sep 28, 2023Observed: 3.82 ft at 12:30PM Sep 28, 2023Observed: 3.82 ft at 12:45PM Sep 28, 2023Observed: 3.82 ft at 1:00PM Sep 28, 2023Observed: 3.82 ft at 1:15PM Sep 28, 2023Observed: 3.82 ft at 1:30PM Sep 28, 2023Observed: 3.82 ft at 1:45PM Sep 28, 2023Observed: 3.82 ft at 2:00PM Sep 28, 2023Observed: 3.82 ft at 2:15PM Sep 28, 2023Observed: 3.82 ft at 2:30PM Sep 28, 2023Observed: 3.82 ft at 2:45PM Sep 28, 2023Observed: 3.82 ft at 3:00PM Sep 28, 2023Observed: 3.82 ft at 3:15PM Sep 28, 2023Observed: 3.82 ft at 3:30PM Sep 28, 2023Observed: 3.82 ft at 3:45PM Sep 28, 2023Observed: 3.82 ft at 4:00PM Sep 28, 2023Observed: 3.82 ft at 4:15PM Sep 28, 2023Observed: 3.82 ft at 4:30PM Sep 28, 2023Observed: 3.82 ft at 4:45PM Sep 28, 2023Observed: 3.82 ft at 5:00PM Sep 28, 2023Observed: 3.82 ft at 5:15PM Sep 28, 2023Observed: 3.82 ft at 5:30PM Sep 28, 2023Observed: 3.82 ft at 5:45PM Sep 28, 2023Observed: 3.82 ft at 6:00PM Sep 28, 2023Observed: 3.82 ft at 6:15PM Sep 28, 2023Observed: 3.82 ft at 6:30PM Sep 28, 2023Observed: 3.82 ft at 6:45PM Sep 28, 2023Observed: 3.82 ft at 7:00PM Sep 28, 2023Observed: 3.82 ft at 7:15PM Sep 28, 2023Observed: 3.82 ft at 7:30PM Sep 28, 2023Observed: 3.82 ft at 7:45PM Sep 28, 2023Observed: 3.82 ft at 8:00PM Sep 28, 2023Observed: 3.82 ft at 8:15PM Sep 28, 2023Observed: 3.82 ft at 8:30PM Sep 28, 2023Observed: 3.82 ft at 8:45PM Sep 28, 2023Observed: 3.82 ft at 9:00PM Sep 28, 2023Observed: 3.82 ft at 9:15PM Sep 28, 2023Observed: 3.82 ft at 9:30PM Sep 28, 2023Observed: 3.82 ft at 9:45PM Sep 28, 2023Observed: 3.82 ft at 10:00PM Sep 28, 2023Observed: 3.82 ft at 10:15PM Sep 28, 2023Observed: 3.82 ft at 10:30PM Sep 28, 2023Observed: 3.82 ft at 10:45PM Sep 28, 2023Observed: 3.82 ft at 11:00PM Sep 28, 2023Observed: 3.82 ft at 11:15PM Sep 28, 2023Observed: 3.82 ft at 11:30PM Sep 28, 2023Observed: 3.82 ft at 11:45PM Sep 28, 2023Observed: 3.82 ft at 12:00AM Sep 29, 2023Observed: 3.82 ft at 12:15AM Sep 29, 2023Observed: 3.82 ft at 12:30AM Sep 29, 2023Observed: 3.82 ft at 12:45AM Sep 29, 2023Observed: 3.82 ft at 1:00AM Sep 29, 2023Observed: 3.82 ft at 1:15AM Sep 29, 2023Observed: 3.82 ft at 1:30AM Sep 29, 2023Observed: 3.82 ft at 1:45AM Sep 29, 2023Observed: 3.82 ft at 2:00AM Sep 29, 2023Observed: 3.82 ft at 2:15AM Sep 29, 2023Observed: 3.82 ft at 2:30AM Sep 29, 2023Observed: 3.82 ft at 2:45AM Sep 29, 2023Observed: 3.82 ft at 3:00AM Sep 29, 2023Observed: 3.82 ft at 3:15AM Sep 29, 2023Observed: 3.82 ft at 3:30AM Sep 29, 2023Observed: 3.82 ft at 3:45AM Sep 29, 2023Observed: 3.82 ft at 4:00AM Sep 29, 2023Observed: 3.82 ft at 4:15AM Sep 29, 2023Observed: 3.82 ft at 4:30AM Sep 29, 2023Observed: 3.82 ft at 4:45AM Sep 29, 2023Observed: 3.82 ft at 5:00AM Sep 29, 2023Observed: 3.82 ft at 5:15AM Sep 29, 2023Observed: 3.82 ft at 5:30AM Sep 29, 2023Observed: 3.82 ft at 5:45AM Sep 29, 2023Observed: 3.82 ft at 6:00AM Sep 29, 2023Observed: 3.82 ft at 6:15AM Sep 29, 2023Observed: 3.82 ft at 6:30AM Sep 29, 2023Observed: 3.82 ft at 6:45AM Sep 29, 2023Observed: 3.82 ft at 7:00AM Sep 29, 2023Observed: 3.82 ft at 7:15AM Sep 29, 2023Observed: 3.82 ft at 7:30AM Sep 29, 2023Observed: 3.82 ft at 7:45AM Sep 29, 2023Observed: 3.82 ft at 8:00AM Sep 29, 2023Observed: 3.82 ft at 8:15AM Sep 29, 2023Observed: 3.82 ft at 8:30AM Sep 29, 2023Observed: 3.82 ft at 8:45AM Sep 29, 2023Observed: 3.82 ft at 9:00AM Sep 29, 2023Highest Observation: 3.83 ft at 9:15AM Sep 29, 2023Observed: 3.82 ft at 9:30AM Sep 29, 2023Highest Observation: 3.83 ft at 9:45AM Sep 29, 2023Highest Observation: 3.83 ft at 10:00AM Sep 29, 2023Highest Observation: 3.83 ft at 10:15AM Sep 29, 2023Highest Observation: 3.83 ft at 10:30AM Sep 29, 2023Observed: 3.82 ft at 10:45AM Sep 29, 2023Observed: 3.82 ft at 11:00AM Sep 29, 2023Highest Observation: 3.83 ft at 11:15AM Sep 29, 2023Highest Observation: 3.83 ft at 11:30AM Sep 29, 2023Highest Observation: 3.83 ft at 11:45AM Sep 29, 2023Highest Observation: 3.83 ft at 12:00PM Sep 29, 2023Highest Observation: 3.83 ft at 12:15PM Sep 29, 2023Highest Observation: 3.83 ft at 12:30PM Sep 29, 2023Highest Observation: 3.83 ft at 12:45PM Sep 29, 2023Highest Observation: 3.83 ft at 1:00PM Sep 29, 2023Highest Observation: 3.83 ft at 1:15PM Sep 29, 2023Highest Observation: 3.83 ft at 1:30PM Sep 29, 2023Highest Observation: 3.83 ft at 1:45PM Sep 29, 2023Highest Observation: 3.83 ft at 2:00PM Sep 29, 2023Highest Observation: 3.83 ft at 2:15PM Sep 29, 2023Highest Observation: 3.83 ft at 2:30PM Sep 29, 2023Highest Observation: 3.83 ft at 2:45PM Sep 29, 2023Highest Observation: 3.83 ft at 3:00PM Sep 29, 2023Highest Observation: 3.83 ft at 3:15PM Sep 29, 2023Highest Observation: 3.83 ft at 3:30PM Sep 29, 2023Highest Observation: 3.83 ft at 3:45PM Sep 29, 2023Highest Observation: 3.83 ft at 4:00PM Sep 29, 2023Highest Observation: 3.83 ft at 4:15PM Sep 29, 2023Highest Observation: 3.83 ft at 4:30PM Sep 29, 2023Highest Observation: 3.83 ft at 4:45PM Sep 29, 2023Highest Observation: 3.83 ft at 5:00PM Sep 29, 2023Highest Observation: 3.83 ft at 5:15PM Sep 29, 2023Highest Observation: 3.83 ft at 5:30PM Sep 29, 2023Highest Observation: 3.83 ft at 5:45PM Sep 29, 2023Highest Observation: 3.83 ft at 6:00PM Sep 29, 2023Highest Observation: 3.83 ft at 6:15PM Sep 29, 2023Observed: 3.82 ft at 6:30PM Sep 29, 2023Highest Observation: 3.83 ft at 6:45PM Sep 29, 2023Highest Observation: 3.83 ft at 7:00PM Sep 29, 2023Highest Observation: 3.83 ft at 7:15PM Sep 29, 2023Highest Observation: 3.83 ft at 7:30PM Sep 29, 2023Highest Observation: 3.83 ft at 7:45PM Sep 29, 2023Highest Observation: 3.83 ft at 8:00PM Sep 29, 2023Highest Observation: 3.83 ft at 8:15PM Sep 29, 2023Highest Observation: 3.83 ft at 8:30PM Sep 29, 2023Highest Observation: 3.83 ft at 8:45PM Sep 29, 2023Highest Observation: 3.83 ft at 9:00PM Sep 29, 2023Highest Observation: 3.83 ft at 9:15PM Sep 29, 2023Highest Observation: 3.83 ft at 9:30PM Sep 29, 2023Highest Observation: 3.83 ft at 9:45PM Sep 29, 2023Highest Observation: 3.83 ft at 10:00PM Sep 29, 2023Highest Observation: 3.83 ft at 10:15PM Sep 29, 2023Highest Observation: 3.83 ft at 10:30PM Sep 29, 2023Highest Observation: 3.83 ft at 10:45PM Sep 29, 2023Highest Observation: 3.83 ft at 11:00PM Sep 29, 2023Highest Observation: 3.83 ft at 11:15PM Sep 29, 2023Highest Observation: 3.83 ft at 11:30PM Sep 29, 2023Highest Observation: 3.83 ft at 11:45PM Sep 29, 2023Highest Observation: 3.83 ft at 12:00AM Sep 30, 2023Observed: 3.82 ft at 12:15AM Sep 30, 2023Observed: 3.82 ft at 12:30AM Sep 30, 2023Highest Observation: 3.83 ft at 12:45AM Sep 30, 2023Highest Observation: 3.83 ft at 1:00AM Sep 30, 2023Highest Observation: 3.83 ft at 1:15AM Sep 30, 2023Highest Observation: 3.83 ft at 1:30AM Sep 30, 2023Highest Observation: 3.83 ft at 1:45AM Sep 30, 2023Highest Observation: 3.83 ft at 2:00AM Sep 30, 2023Highest Observation: 3.83 ft at 2:15AM Sep 30, 2023Highest Observation: 3.83 ft at 2:30AM Sep 30, 2023Highest Observation: 3.83 ft at 2:45AM Sep 30, 2023Highest Observation: 3.83 ft at 3:00AM Sep 30, 2023Highest Observation: 3.83 ft at 3:15AM Sep 30, 2023Highest Observation: 3.83 ft at 3:30AM Sep 30, 2023Highest Observation: 3.83 ft at 3:45AM Sep 30, 2023Highest Observation: 3.83 ft at 4:00AM Sep 30, 2023Highest Observation: 3.83 ft at 4:15AM Sep 30, 2023Highest Observation: 3.83 ft at 4:30AM Sep 30, 2023Highest Observation: 3.83 ft at 4:45AM Sep 30, 2023Highest Observation: 3.83 ft at 5:00AM Sep 30, 2023Highest Observation: 3.83 ft at 5:15AM Sep 30, 2023Highest Observation: 3.83 ft at 5:30AM Sep 30, 2023Highest Observation: 3.83 ft at 5:45AM Sep 30, 2023Highest Observation: 3.83 ft at 6:00AM Sep 30, 2023Highest Observation: 3.83 ft at 6:15AM Sep 30, 2023Highest Observation: 3.83 ft at 6:30AM Sep 30, 2023Highest Observation: 3.83 ft at 6:45AM Sep 30, 2023Highest Observation: 3.83 ft at 7:00AM Sep 30, 2023Highest Observation: 3.83 ft at 7:15AM Sep 30, 2023Highest Observation: 3.83 ft at 7:30AM Sep 30, 2023Highest Observation: 3.83 ft at 7:45AM Sep 30, 2023Highest Observation: 3.83 ft at 8:00AM Sep 30, 2023Highest Observation: 3.83 ft at 8:15AM Sep 30, 2023Highest Observation: 3.83 ft at 8:30AM Sep 30, 2023Highest Observation: 3.83 ft at 8:45AM Sep 30, 2023Highest Observation: 3.83 ft at 9:00AM Sep 30, 2023Highest Observation: 3.83 ft at 9:15AM Sep 30, 2023Highest Observation: 3.83 ft at 9:30AM Sep 30, 2023Highest Observation: 3.83 ft at 9:45AM Sep 30, 2023Highest Observation: 3.83 ft at 10:00AM Sep 30, 2023Highest Observation: 3.83 ft at 10:15AM Sep 30, 2023Highest Observation: 3.83 ft at 10:30AM Sep 30, 2023Highest Observation: 3.83 ft at 10:45AM Sep 30, 2023Highest Observation: 3.83 ft at 11:00AM Sep 30, 2023Highest Observation: 3.83 ft at 11:15AM Sep 30, 2023Highest Observation: 3.83 ft at 11:30AM Sep 30, 2023Highest Observation: 3.83 ft at 11:45AM Sep 30, 2023Highest Observation: 3.83 ft at 12:00PM Sep 30, 2023Highest Observation: 3.83 ft at 12:15PM Sep 30, 2023Highest Observation: 3.83 ft at 12:30PM Sep 30, 2023Highest Observation: 3.83 ft at 12:45PM Sep 30, 2023Highest Observation: 3.83 ft at 1:00PM Sep 30, 2023Highest Observation: 3.83 ft at 1:15PM Sep 30, 2023Highest Observation: 3.83 ft at 1:30PM Sep 30, 2023Highest Observation: 3.83 ft at 1:45PM Sep 30, 2023Highest Observation: 3.83 ft at 2:00PM Sep 30, 2023Highest Observation: 3.83 ft at 2:15PM Sep 30, 2023Highest Observation: 3.83 ft at 2:30PM Sep 30, 2023Highest Observation: 3.83 ft at 2:45PM Sep 30, 2023Highest Observation: 3.83 ft at 3:00PM Sep 30, 2023Highest Observation: 3.83 ft at 3:15PM Sep 30, 2023Highest Observation: 3.83 ft at 3:30PM Sep 30, 2023Highest Observation: 3.83 ft at 3:45PM Sep 30, 2023Highest Observation: 3.83 ft at 4:00PM Sep 30, 2023Highest Observation: 3.83 ft at 4:15PM Sep 30, 2023Highest Observation: 3.83 ft at 4:30PM Sep 30, 2023Highest Forecast: 3.83 ft 6:00PM Sep 30, 2023Highest Forecast: 3.83 ft 12:00AM Oct 01, 2023Highest Forecast: 3.83 ft 6:00AM Oct 01, 2023Highest Forecast: 3.83 ft 12:00PM Oct 01, 2023Highest Forecast: 3.83 ft 6:00PM Oct 01, 2023Highest Forecast: 3.83 ft 12:00AM Oct 02, 2023Highest Forecast: 3.83 ft 6:00AM Oct 02, 2023Highest Forecast: 3.83 ft 12:00PM Oct 02, 2023Highest Forecast: 3.83 ft 6:00PM Oct 02, 2023Highest Forecast: 3.83 ft 12:00AM Oct 03, 2023Highest Forecast: 3.83 ft 6:00AM Oct 03, 2023Highest Forecast: 3.83 ft 12:00PM Oct 03, 2023Highest Forecast: 3.83 ft 6:00PM Oct 03, 2023Highest Forecast: 3.83 ft 12:00AM Oct 04, 2023Highest Forecast: 3.83 ft 6:00AM Oct 04, 2023Highest Forecast: 3.83 ft 12:00PM Oct 04, 2023Highest Forecast: 3.83 ft 6:00PM Oct 04, 2023Highest Forecast: 3.83 ft 12:00AM Oct 05, 2023Highest Forecast: 3.83 ft 6:00AM Oct 05, 2023Highest Forecast: 3.83 ft 12:00PM Oct 05, 2023Highest Forecast: 3.83 ft 6:00PM Oct 05, 2023Highest Forecast: 3.83 ft 12:00AM Oct 06, 2023Highest Forecast: 3.83 ft 6:00AM Oct 06, 2023Highest Forecast: 3.83 ft 12:00PM Oct 06, 2023Highest Forecast: 3.83 ft 6:00PM Oct 06, 2023Highest Forecast: 3.83 ft 12:00AM Oct 07, 2023Highest Forecast: 3.83 ft 6:00AM Oct 07, 2023Highest Forecast: 3.83 ft 12:00PM Oct 07, 2023USGS--Water Resources of the United StatesRIRI1(plotting HGIRG) Graph Created (5:03PM Sep 30, 2023)ObservedForecast (issued 9:27AM Sep 30)Latest observed value: 3.83 ft at 4:30 PM MDT 30-Sep-2023. Flood Stage is 12.1 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Willow Creek (Eastern ID) below Ririe Dam near Ririe. Only observed stages are available for this point.
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Upstream Gauge - at Ririe Dam Upstream Gauge Downstream Gauge Downstream Gauge - near Shelley
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 12.1
Action Stage: 10.5
Low Stage (in feet): -9999

Historic Crests
(1) 14.07 ft on 05/20/1975
(2) 8.21 ft on 04/29/2018 (P)
(3) 8.05 ft on 05/04/2017 (P)
(4) 6.58 ft on 04/29/2020
(5) 4.96 ft on 08/28/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 3.14 ft on 04/13/2022
(2) 6.58 ft on 04/29/2020
(3) 8.21 ft on 04/29/2018 (P)
(4) 8.05 ft on 05/04/2017 (P)
(5) 4.96 ft on 08/28/2002
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
12.1 Flat areas along the various canals will experience seep and ponding. Water will be at the top of the channel in many locations.
10.5 Flat areas along the various canals may experience seep and ponding.
About This Location Collapse

Latitude: 43.583381° N, Longitude: 111.745931° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12.1 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 4950.0 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  

Current/Historical Observations:

Additional Information Collapse
Forecasts not available for Willow Creek below Ririe Dam. Only observed stages are available for this stream gage.

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 4270 CFS
50   Year Peak Flood 5010 CFS
100 Year Peak Flood 5790 CFS
200 Year Peak Flood 6620 CFS
500 Year Peak Flood 7790 CFS
Resources Collapse
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: 2-Nov-2020 7:28 PM
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