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Hydrograph River at a Glance Download
Souris River at Logan Stage (ft)LGNN8(plotting HGIRZ) Graph Created (12:00PM Jan 24, 2022)Flood Stage is 1536 ft
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Tabular Data (UTC)
Tabular Data (CST)
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Datum: Not Available
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 Souris River at Logan are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Minot-Broadway Bridge Upstream Gauge Downstream Gauge Downstream Gauge - at Sawyer
Flood Categories (in feet)
Major Flood Stage: 1540
Moderate Flood Stage: 1538
Flood Stage: 1536
Action Stage: 1535
Low Stage (in feet): -9999

Historic Crests
(1) 1,542.12 ft on 06/26/2011
(2) 1,539.49 ft on 04/19/1976
(3) 1,538.61 ft on 05/11/1979
(4) 1,538.40 ft on 04/28/1969
(5) 1,538.35 ft on 05/15/1975
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,537.95 ft on 06/05/2013
(2) 1,542.12 ft on 06/26/2011
(3) 1,537.43 ft on 04/14/2009
(4) 1,536.14 ft on 06/30/2005
(5) 1,524.81 ft on 05/12/2003
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:14
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
1540.2 Bridge deck floods.
1538.1 Water approaches 79th Ave. SE near County Road 19.
1536.2 Homes near the river gage are being impacted by water.
1535.2 Bottomlands take on water.
1535.1 Right bank begins to overflow.
1534.5 Left bank begins to overflow.
(1) Souris River at Logan-Upstream View.
(2) Souris River at Logan-Downstream View.
About This Location Collapse

Latitude: 48.153056° N, Longitude: 101.153333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1536 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 1500 ft 1534 ft  
Additional Information Collapse
How low could the river get?
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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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Page last modified: 2-Nov-2020 7:29 PM
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