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FloodSmart
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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.

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Hydrograph River at a Glance Download
Little Missouri River at Marmarth Stage (ft)Flow (kcfs)MTHN8(plotting HGIRG) Graph Created (12:30PM Sep 29, 2022)Flood Stage is 18 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
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Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Little Missouri River at Marmarth are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Camp Crook Upstream Gauge Downstream Gauge Downstream Gauge - at Medora
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 23
Flood Stage: 18
Action Stage: 16
Low Stage (in feet): -9999

Historic Crests
(1) 23.40 ft on 03/31/1952
(2) 21.70 ft on 03/23/1947
(3) 21.50 ft on 03/01/1913
(4) 21.11 ft on 05/23/2011
(5) 20.20 ft on 05/01/1929
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 2.48 ft on 02/27/2021
(2) 8.97 ft on 03/08/2020
(3) 16.54 ft on 03/24/2019
(4) 12.42 ft on 04/15/2018
(5) 7.25 ft on 02/21/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.76 ft on 08/28/2002

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
30 City of Marmarth will flood due to dike being overtopped at this height.
18 Flooding confined to grasslands used by ranchers in the area.
Photos
(1) Little Missouri River at Marmarth-Upstream View
(2) Little Missouri River at Marmarth-Downstream View
About This Location Collapse

Latitude: 46.297778° N, Longitude: 103.917500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 18 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 2688.1 2706.1 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 Not Available Not Available USGS elevation.

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
Bismarck Weather Forecast Office
2301 University Drive, Building 27
Bismarck, ND 58502-1016
(701) 250-4224
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