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Hydrograph River at a Glance Download
Beaverhead River at Clark Canyon Dam near Dillon Pool (ft)Highest Observation: 5519.06 ft at 7:00PM Aug 26, 2015Observed: 5519.04 ft at 11:00PM Aug 26, 2015Observed: 5519.03 ft at 1:00AM Aug 27, 2015Observed: 5518.99 ft at 7:00AM Aug 27, 2015Observed: 5518.94 ft at 1:00PM Aug 27, 2015Observed: 5518.9 ft at 7:00PM Aug 27, 2015Observed: 5518.84 ft at 11:00PM Aug 27, 2015Observed: 5518.84 ft at 1:00AM Aug 28, 2015Observed: 5518.8 ft at 7:00AM Aug 28, 2015Observed: 5518.74 ft at 1:00PM Aug 28, 2015Observed: 5518.71 ft at 7:00PM Aug 28, 2015Observed: 5518.67 ft at 11:00PM Aug 28, 2015Observed: 5518.66 ft at 1:00AM Aug 29, 2015Observed: 5518.61 ft at 7:00AM Aug 29, 2015Observed: 5518.58 ft at 1:00PM Aug 29, 2015Observed: 5518.52 ft at 7:00PM Aug 29, 2015Observed: 5518.46 ft at 11:00PM Aug 29, 2015Observed: 5518.45 ft at 1:00AM Aug 30, 2015Observed: 5518.41 ft at 7:00AM Aug 30, 2015Observed: 5518.36 ft at 1:00PM Aug 30, 2015Observed: 5518.3 ft at 7:00PM Aug 30, 2015Observed: 5518.26 ft at 11:00PM Aug 30, 2015Observed: 5518.25 ft at 1:00AM Aug 31, 2015Observed: 5518.2 ft at 7:00AM Aug 31, 2015Observed: 5518.15 ft at 1:00PM Aug 31, 2015Observed: 5518.1 ft at 7:00PM Aug 31, 2015Observed: 5518.06 ft at 11:00PM Aug 31, 2015Observed: 5518.05 ft at 1:00AM Sep 01, 2015Observed: 5517.86 ft at 11:00PM Sep 01, 2015Observed: 5517.8 ft at 7:00AM Sep 02, 2015Observed: 5517.79 ft at 1:00PM Sep 02, 2015Observed: 5517.69 ft at 7:00PM Sep 02, 2015Observed: 5517.64 ft at 11:00PM Sep 02, 2015Observed: 5517.63 ft at 1:00AM Sep 03, 2015Observed: 5517.59 ft at 7:00AM Sep 03, 2015Observed: 5517.5 ft at 1:00PM Sep 03, 2015Observed: 5517.46 ft at 7:00PM Sep 03, 2015Observed: 5517.44 ft at 11:00PM Sep 03, 2015Observed: 5517.41 ft at 1:00AM Sep 04, 2015Observed: 5517.37 ft at 7:00AM Sep 04, 2015Observed: 5517.33 ft at 1:00PM Sep 04, 2015Observed: 5517.27 ft at 7:00PM Sep 04, 2015Observed: 5517.24 ft at 1:00AM Sep 05, 2015CLKM8(plotting HPIRZ) Graph Created (8:04AM Sep 5, 2015)ObservedLatest observed value: 5517.24 ft at 1:00 AM MDT 5-Sep-2015.
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Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Forecasts are not available for the Beaverhead River at Clark Canyon Dam near Dillon. 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: 0
Action Stage: 5560
Low Stage (in feet): 0

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Recent Crests
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Low Water Records
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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.
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Latitude: 45.001667° N, Longitude: 112.857500° 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)
(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 0 ft 0 ft  
Additional Information Collapse
Forecast is for reservoir discharge flow in KCFS.
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Hydrologic Resources Additional Resources
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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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Great Falls Weather Forecast Office
5324 Tri-Hill Frontage Rd
Great Falls, MT 59404-4933
(406) 453-2081
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Page last modified: 13-Aug-2015 2:14 AM
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