National Weather Service Advanced Hydrologic Prediction Service

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Visit https://www.weather.gov/owp/operations for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

Weather Forecast Office Missoula, MT

Northwest River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (MDT)

Datum: Not Available

Metadata

NOTE: Forecasts for the Little Salmon River at Riggins are issued routinely year-round.

Return to Area Map

Flood Categories (in feet)

Major Flood Stage:	0
Moderate Flood Stage:	0
Flood Stage:	10
Action Stage:	9
Low Stage (in feet):	-9999

Historic Crests
(1) 12.18 ft on 06/17/1974
(2) 12.00 ft on 01/01/1997
(3) 11.00 ft on 01/16/1974
(4) 10.70 ft on 06/01/1948
(5) 10.40 ft on 12/22/1955
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.00 ft on 06/05/2017
(2) 9.10 ft on 04/26/2012
(3) 10.26 ft on 06/04/2010
(4) 9.75 ft on 05/20/2006
(5) 9.96 ft on 05/30/2003
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.71 ft on 12/21/1990

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
12	Flooding from pinehurst to Riggins can be expected with possible flooding to Highway 95.
11	Bank erosion will possibly affect homes adjacent to the river.
10	Expect flooding to low lying areas adjacent to the river.

About This Location

Latitude: 45.413056° N, Longitude: 116.324722° 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	Not Available	Not Available	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	1760 ft	1770 ft

Current/Historical Observations:

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

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: 2-Nov-2020 7:28 PM

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