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Hydrograph River at a Glance Download
Willow Creek (Southwest MT) near Harrison Stage (ft)USGS--Water Resources of the United StatesWCHM8(plotting HGIRG) Graph Created (11:50PM Oct 22, 2014)
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Datum: Not Available
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NOTE: Gauge readings not available during the winter months.

NOTE: Forecasts are not available for the Willow Creek (Southwest MT) near Harrison. Only observed stages are available for this point.

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Downstream Gauge Downstream Gauge - at Willow Creek Reservoir
Flood Categories (in feet)
Not Available

Historical Crests
(1) 4.24 ft on 02/03/1963
(2) 3.47 ft on 06/19/1975
(3) 3.38 ft on 06/06/1995
(4) 3.24 ft on 06/18/1997
(5) 3.03 ft on 06/23/1967
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
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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.
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Latitude: 45.723056° N, Longitude: 111.740278° 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 4750 Not Available  

Current/Historical Observations:

Additional Information Collapse
Gauge readings available seasonally. Data unavailable during winter months.
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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
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: 5-Aug-2014 6:37 PM
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