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Weather Forecast Office Bismarck, ND Missouri Basin River Forecast Center

Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Little Missouri River at Marmarth Graph Created (5:31pm Feb 9, 2010) Observed MTHN8 (plotting HGIRZ) Gage 0 Datum: 2686.32 Latest observed value: n/a ft at 5:00 AM MST 31-Jan-2010. Flood Stage is 18.0 ft. Flow (kcfs)
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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

Historical 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) 20.20 ft on 05/01/1929
(5) 19.70 ft on 03/01/1920
Show More Historical Crests

Low Water Records
(1) 0.8 ft on 08/28/2002

 Little Missouri River at Marmarth location map

Flood Impacts & Photos Collapse
30.0 City of Marmarth will flood due to dike being overtopped at this height.
18.0 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: 46.296000° N, Longitude: 103.918000° W, Horizontal Datum: NAD83

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 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 N/A N/A Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other 2686.32 ft 2704.32 ft  

Other Data Sources:
Corps of Engineers (COE) Info for Marmarth

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Hydrologic Resources
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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
PO Box 1016
Bismarck, ND 58502-1016
(701) 250-4224
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