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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Hydrograph River at a Glance Download
Beaver Creek (Mud Lake/Eastern Idaho) at Spencer Stage (ft)Flow (cfs)USGS--Water Resources of the United StatesBVSI1(plotting HGIRG) Graph Created (3:33PM Nov 25, 2019)Flood Stage is 6.3 ft
About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: NGVD29
NOTE: Forecasts are not available for the Beaver Creek (Mud Lake/Eastern Idaho) at Spencer. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 6.3
Action Stage: 5.8
Low Stage (in feet): -9999

Historic Crests
(1) 9.84 ft on 05/18/1975
(2) 8.70 ft on 04/15/1985
(3) 8.40 ft on 05/03/1982
(4) 7.63 ft on 04/24/1969
(5) 7.50 ft on 04/27/1952
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(P): Preliminary values subject to further review.

Recent Crests
(1) 6.65 ft on 03/23/2018 (P)
(2) 4.17 ft on 04/25/2017
(3) 4.29 ft on 05/21/2016
(4) 6.13 ft on 05/22/1993
(5) 3.68 ft on 05/19/1991
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:15
KML Image
Gauge LocationGauge Map Marker
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
6.3 or 487 cfs... Possible flooding from Spencer to Camas, Idaho. High flows may create water backups in Dubois behind each bridge. Ponding in low-lying areas possible.
5.8 or 404 cfs... Near bankfull in low-lying areas from Spencer to Camas, Idaho.
About This Location Collapse

Latitude: 44.355378° N, Longitude: 112.180100° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 5843 ft 6.3 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 5843)
(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 Not Available Not Available  

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 880 CFS or 8.43 ft
50   Year Peak Flood 1040 CFS or 9.17 ft
100 Year Peak Flood 1220 CFS or 9.96 ft
200 Year Peak Flood 1390 CFS or 10.70 ft
500 Year Peak Flood 1640 CFS
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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: 2-Nov-2020 7:28 PM
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