National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Missoula, MT

Northwest River Forecast Center

Hydrograph

River at a Glance

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Middle Fork Flathead River near West Glacier

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About this graph

Tabular Data (UTC)

Tabular Data (MDT)

Datum: Not Available

Metadata

NOTE: Forecasts for the Middle Fork Flathead River near West Glacier are issued routinely year-round.

Return to Area Map

Flood Categories (in feet)

Major Flood Stage:	18
Moderate Flood Stage:	14
Flood Stage:	10
Action Stage:	9
Low Stage (in feet):	-9999

Historic Crests
(1) 36.46 ft on 06/09/1964
(2) 19.42 ft on 06/20/1975
(3) 13.01 ft on 05/20/1954
(4) 12.40 ft on 05/19/1991
(5) 12.40 ft on 05/23/1948
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.15 ft on 05/09/2018
(2) 10.74 ft on 05/14/2013
(3) 9.12 ft on 04/27/2012
(4) 9.79 ft on 06/08/2011
(5) 11.23 ft on 05/19/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.06 ft on 12/16/1949
(2) 1.08 ft on 01/21/1940
(3) 1.08 ft on 01/03/1977

Zoom Level:16

	Gauge Location	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

If you notice any errors in the below information, please contact our Webmaster
18	Flooding affecting low lying areas adjacent to the river will occur. Many roads will be inundated with flood water and become impassable.
14	Flooding to low lying areas adjacent to the river will occur. Roads and homes may experience flooding due to backwater.
10	Flooding to low lying areas adjacent to the river is possible. Flooding to homes and agricultural lands is also possible.

About This Location

Latitude: 48.495278° N, Longitude: 114.009167° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	10 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	3128.72 ft	3138.72 ft	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:

U.S. Geological Survey (USGS) Data and Site Info for West Glacier

Resources

Hydrologic Resources

Additional Resources

Collaborative Agencies

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
Missoula Weather Forecast Office
6633 Aviation Way
Missoula, MT 59808
(406) 329-4840
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Page last modified: 1-Mar-2019 12:33 AM

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