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Hydrograph River at a Glance Download
Beaverhead River at Clark Canyon Dam near Dillon Pool (ft)Observed: 5539.02 ft at 7:00PM Jan 12, 2018Observed: 5539.02 ft at 11:00PM Jan 12, 2018Observed: 5539.03 ft at 1:00AM Jan 13, 2018Observed: 5539.06 ft at 7:00AM Jan 13, 2018Observed: 5539.07 ft at 1:00PM Jan 13, 2018Observed: 5539.09 ft at 7:00PM Jan 13, 2018Observed: 5539.11 ft at 11:00PM Jan 13, 2018Observed: 5539.11 ft at 1:00AM Jan 14, 2018Observed: 5539.17 ft at 11:00PM Jan 14, 2018Observed: 5539.27 ft at 7:00AM Jan 16, 2018Observed: 5539.29 ft at 1:00PM Jan 16, 2018Observed: 5539.3 ft at 7:00PM Jan 16, 2018Observed: 5539.31 ft at 1:00AM Jan 17, 2018Observed: 5539.38 ft at 11:00PM Jan 17, 2018Observed: 5539.46 ft at 11:00PM Jan 18, 2018Observed: 5539.5 ft at 7:00AM Jan 19, 2018Observed: 5539.5 ft at 1:00PM Jan 19, 2018Observed: 5539.52 ft at 7:00PM Jan 19, 2018Observed: 5539.54 ft at 11:00PM Jan 19, 2018Observed: 5539.54 ft at 1:00AM Jan 20, 2018Observed: 5539.55 ft at 7:00AM Jan 20, 2018Observed: 5539.56 ft at 1:00PM Jan 20, 2018Observed: 5539.57 ft at 7:00PM Jan 20, 2018Observed: 5539.58 ft at 11:00PM Jan 20, 2018Highest Observation: 5539.6 ft at 1:00AM Jan 21, 2018CLKM8(plotting HPIRZ) Graph Created (2:36AM Jan 22, 2018)ObservedLatest observed value: 5539.6 ft at 1:00 AM MST 21-Jan-2018.
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Tabular Data (UTC)
Tabular Data (MST)
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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

Historic Crests
Currently none available.

Recent Crests
Currently none available.

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  
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Forecast is for reservoir discharge flow in KCFS.
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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
National Weather Service
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: 21-Dec-2016 10:36 PM
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