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Hydrograph River at a Glance Download
Musselshell River near Lavina Stage (ft)Flow (kcfs)LTGW4(plotting HGIRG) Graph Created (4:31PM Feb 26, 2020)
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Tabular Data (UTC)
Tabular Data (MST)
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Datum: NGVD29
NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 120 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Musselshell River near Lavina are issued routinely during the warm season, and as needed at other times of the year.

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Upstream Gauge - near Shawmut Upstream Gauge Downstream Gauge Downstream Gauge - near Roundup
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 9.5
Action Stage: 0
Low Stage (in feet): -9999

Historic Crests
(1) 14.04 ft on 05/25/2011
(2) 11.13 ft on 06/14/1997
(3) 10.47 ft on 03/10/2014
(4) 7.84 ft on 06/05/2015
(5) 6.89 ft on 06/08/1995
(6) 6.07 ft on 06/22/2010
(7) 5.97 ft on 06/02/1996
(8) 5.86 ft on 06/19/1992
(9) 5.62 ft on 07/27/1993
(10) 5.35 ft on 06/29/2005
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.04 ft on 06/15/2017
(2) 2.91 ft on 07/11/2016
(3) 7.84 ft on 06/05/2015
(4) 10.47 ft on 03/10/2014
(5) 3.73 ft on 06/14/2013
(6) 3.43 ft on 05/28/2012
(7) 14.04 ft on 05/25/2011
(8) 6.07 ft on 06/22/2010
(9) 4.85 ft on 07/03/2009
(10) 4.97 ft on 05/25/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:15
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Gauge LocationGauge Map Marker
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.
About This Location Collapse

Latitude: 46.289056° N, Longitude: 108.937611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 9.5 ft 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 0 ft 0 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:

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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
Billings Weather Forecast Office
2170 Overland Avenue
Billings, MT 59102-6455
(406) 652-0851
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Page last modified: 4-Mar-2019 11:28 PM
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