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Hydrograph River at a Glance Download
Snake River (NW MN) at Alvarado Stage (ft)Observed: 96.7 ft at 8:30AM Aug 09, 2020Observed: 96.69 ft at 8:45AM Aug 09, 2020Observed: 96.7 ft at 9:00AM Aug 09, 2020Observed: 96.68 ft at 9:15AM Aug 09, 2020Observed: 96.69 ft at 9:30AM Aug 09, 2020Observed: 96.7 ft at 9:45AM Aug 09, 2020Observed: 96.69 ft at 10:00AM Aug 09, 2020Observed: 96.69 ft at 10:15AM Aug 09, 2020Observed: 96.69 ft at 10:30AM Aug 09, 2020Observed: 96.7 ft at 10:45AM Aug 09, 2020Observed: 96.68 ft at 11:00AM Aug 09, 2020Observed: 96.69 ft at 11:15AM Aug 09, 2020Observed: 96.7 ft at 11:30AM Aug 09, 2020Observed: 96.69 ft at 11:45AM Aug 09, 2020Observed: 96.69 ft at 12:00PM Aug 09, 2020Observed: 96.7 ft at 12:15PM Aug 09, 2020Observed: 96.7 ft at 12:30PM Aug 09, 2020Observed: 96.7 ft at 12:45PM Aug 09, 2020Observed: 96.68 ft at 1:00PM Aug 09, 2020Observed: 96.68 ft at 1:15PM Aug 09, 2020Observed: 96.68 ft at 1:30PM Aug 09, 2020Observed: 96.73 ft at 1:45PM Aug 09, 2020Observed: 96.78 ft at 2:00PM Aug 09, 2020Observed: 96.85 ft at 2:15PM Aug 09, 2020Observed: 96.86 ft at 2:30PM Aug 09, 2020Observed: 96.85 ft at 2:45PM Aug 09, 2020Observed: 96.84 ft at 3:00PM Aug 09, 2020Observed: 96.84 ft at 3:15PM Aug 09, 2020Observed: 96.83 ft at 3:30PM Aug 09, 2020Observed: 96.82 ft at 3:45PM Aug 09, 2020Observed: 96.81 ft at 4:00PM Aug 09, 2020Observed: 96.81 ft at 4:15PM Aug 09, 2020Observed: 96.79 ft at 4:30PM Aug 09, 2020Observed: 96.79 ft at 4:45PM Aug 09, 2020Observed: 96.77 ft at 5:00PM Aug 09, 2020Observed: 96.78 ft at 5:15PM Aug 09, 2020Observed: 96.78 ft at 5:30PM Aug 09, 2020Observed: 96.78 ft at 5:45PM Aug 09, 2020Observed: 96.76 ft at 6:00PM Aug 09, 2020Observed: 96.77 ft at 6:15PM Aug 09, 2020Observed: 96.74 ft at 6:30PM Aug 09, 2020Observed: 96.75 ft at 6:45PM Aug 09, 2020Observed: 96.76 ft at 7:00PM Aug 09, 2020Observed: 96.74 ft at 7:15PM Aug 09, 2020Observed: 96.75 ft at 7:30PM Aug 09, 2020Observed: 96.75 ft at 7:45PM Aug 09, 2020Observed: 96.75 ft at 8:00PM Aug 09, 2020Observed: 96.74 ft at 8:15PM Aug 09, 2020Observed: 96.73 ft at 8:30PM Aug 09, 2020Observed: 96.75 ft at 8:45PM Aug 09, 2020Observed: 96.73 ft at 9:00PM Aug 09, 2020Observed: 96.75 ft at 9:15PM Aug 09, 2020Observed: 96.75 ft at 9:30PM Aug 09, 2020Observed: 96.75 ft at 9:45PM Aug 09, 2020Observed: 96.73 ft at 10:00PM Aug 09, 2020Observed: 96.75 ft at 10:15PM Aug 09, 2020Observed: 96.75 ft at 10:30PM Aug 09, 2020Observed: 96.74 ft at 10:45PM Aug 09, 2020Observed: 96.74 ft at 11:00PM Aug 09, 2020Observed: 96.75 ft at 11:15PM Aug 09, 2020Observed: 96.75 ft at 11:30PM Aug 09, 2020Observed: 96.76 ft at 11:45PM Aug 09, 2020Observed: 96.76 ft at 12:00AM Aug 10, 2020Observed: 96.76 ft at 12:15AM Aug 10, 2020Observed: 96.74 ft at 12:30AM Aug 10, 2020Observed: 96.76 ft at 12:45AM Aug 10, 2020Observed: 96.76 ft at 1:00AM Aug 10, 2020Observed: 96.75 ft at 1:15AM Aug 10, 2020Observed: 96.75 ft at 1:30AM Aug 10, 2020Observed: 96.75 ft at 1:45AM Aug 10, 2020Observed: 96.76 ft at 2:00AM Aug 10, 2020Observed: 96.77 ft at 2:15AM Aug 10, 2020Observed: 96.76 ft at 2:30AM Aug 10, 2020Observed: 96.77 ft at 2:45AM Aug 10, 2020Observed: 96.78 ft at 3:00AM Aug 10, 2020Observed: 96.77 ft at 3:15AM Aug 10, 2020Observed: 96.77 ft at 3:30AM Aug 10, 2020Observed: 96.79 ft at 3:45AM Aug 10, 2020Observed: 96.77 ft at 4:00AM Aug 10, 2020Observed: 96.78 ft at 4:15AM Aug 10, 2020Observed: 96.77 ft at 4:30AM Aug 10, 2020Observed: 96.77 ft at 4:45AM Aug 10, 2020Observed: 96.78 ft at 5:00AM Aug 10, 2020Observed: 96.79 ft at 5:15AM Aug 10, 2020Observed: 96.79 ft at 5:30AM Aug 10, 2020Observed: 96.78 ft at 5:45AM Aug 10, 2020Observed: 96.8 ft at 6:00AM Aug 10, 2020Observed: 96.78 ft at 6:15AM Aug 10, 2020Observed: 96.79 ft at 6:30AM Aug 10, 2020Observed: 96.81 ft at 6:45AM Aug 10, 2020Observed: 96.81 ft at 7:00AM Aug 10, 2020Observed: 96.81 ft at 7:15AM Aug 10, 2020Observed: 96.82 ft at 7:30AM Aug 10, 2020Observed: 96.84 ft at 7:45AM Aug 10, 2020Observed: 96.86 ft at 8:00AM Aug 10, 2020Observed: 96.86 ft at 8:15AM Aug 10, 2020Observed: 96.88 ft at 8:30AM Aug 10, 2020Observed: 96.99 ft at 9:45AM Aug 10, 2020Observed: 97.01 ft at 10:00AM Aug 10, 2020Observed: 97.03 ft at 10:15AM Aug 10, 2020Observed: 97.05 ft at 10:30AM Aug 10, 2020Observed: 97.06 ft at 10:45AM Aug 10, 2020Observed: 97.07 ft at 11:00AM Aug 10, 2020Observed: 97.1 ft at 11:15AM Aug 10, 2020Observed: 97.13 ft at 11:30AM Aug 10, 2020Observed: 97.13 ft at 11:45AM Aug 10, 2020Observed: 97.16 ft at 12:00PM Aug 10, 2020Observed: 97.17 ft at 12:15PM Aug 10, 2020Observed: 97.17 ft at 12:30PM Aug 10, 2020Observed: 97.21 ft at 12:45PM Aug 10, 2020Observed: 97.21 ft at 1:00PM Aug 10, 2020Observed: 97.21 ft at 1:15PM Aug 10, 2020Observed: 97.23 ft at 1:30PM Aug 10, 2020Observed: 97.24 ft at 1:45PM Aug 10, 2020Observed: 97.23 ft at 2:00PM Aug 10, 2020Observed: 97.26 ft at 2:15PM Aug 10, 2020Observed: 97.28 ft at 2:30PM Aug 10, 2020Observed: 97.29 ft at 2:45PM Aug 10, 2020Observed: 97.3 ft at 3:00PM Aug 10, 2020Observed: 97.3 ft at 3:15PM Aug 10, 2020Observed: 97.31 ft at 3:30PM Aug 10, 2020Observed: 97.33 ft at 3:45PM Aug 10, 2020Observed: 97.33 ft at 4:00PM Aug 10, 2020Observed: 97.34 ft at 4:15PM Aug 10, 2020Observed: 97.36 ft at 4:30PM Aug 10, 2020Observed: 97.36 ft at 4:45PM Aug 10, 2020Observed: 97.37 ft at 5:00PM Aug 10, 2020Observed: 97.38 ft at 5:15PM Aug 10, 2020Observed: 97.39 ft at 5:30PM Aug 10, 2020Observed: 97.39 ft at 5:45PM Aug 10, 2020Observed: 97.4 ft at 6:00PM Aug 10, 2020Observed: 97.41 ft at 6:15PM Aug 10, 2020Observed: 97.43 ft at 6:30PM Aug 10, 2020Observed: 97.43 ft at 6:45PM Aug 10, 2020Observed: 97.44 ft at 7:00PM Aug 10, 2020Observed: 97.45 ft at 7:15PM Aug 10, 2020Observed: 97.46 ft at 7:30PM Aug 10, 2020Observed: 97.47 ft at 7:45PM Aug 10, 2020Observed: 97.48 ft at 8:00PM Aug 10, 2020Observed: 97.49 ft at 8:15PM Aug 10, 2020Observed: 97.51 ft at 8:30PM Aug 10, 2020Observed: 97.51 ft at 8:45PM Aug 10, 2020Observed: 97.52 ft at 9:00PM Aug 10, 2020Observed: 97.54 ft at 9:15PM Aug 10, 2020Observed: 97.55 ft at 9:30PM Aug 10, 2020Observed: 97.56 ft at 9:45PM Aug 10, 2020Observed: 97.57 ft at 10:00PM Aug 10, 2020Observed: 97.58 ft at 10:15PM Aug 10, 2020Observed: 97.6 ft at 10:30PM Aug 10, 2020Observed: 97.61 ft at 10:45PM Aug 10, 2020Observed: 97.62 ft at 11:00PM Aug 10, 2020Observed: 97.63 ft at 11:15PM Aug 10, 2020Observed: 97.65 ft at 11:30PM Aug 10, 2020Observed: 97.66 ft at 11:45PM Aug 10, 2020Observed: 97.68 ft at 12:00AM Aug 11, 2020Observed: 97.69 ft at 12:15AM Aug 11, 2020Observed: 97.69 ft at 12:30AM Aug 11, 2020Observed: 97.71 ft at 12:45AM Aug 11, 2020Observed: 97.72 ft at 1:00AM Aug 11, 2020Observed: 97.73 ft at 1:15AM Aug 11, 2020Observed: 97.74 ft at 1:30AM Aug 11, 2020Observed: 97.75 ft at 1:45AM Aug 11, 2020Observed: 97.75 ft at 2:00AM Aug 11, 2020Observed: 97.76 ft at 2:15AM Aug 11, 2020Observed: 97.76 ft at 2:30AM Aug 11, 2020Observed: 97.78 ft at 2:45AM Aug 11, 2020Observed: 97.79 ft at 3:00AM Aug 11, 2020Observed: 97.79 ft at 3:15AM Aug 11, 2020Observed: 97.8 ft at 3:30AM Aug 11, 2020Observed: 97.8 ft at 3:45AM Aug 11, 2020Observed: 97.8 ft at 4:00AM Aug 11, 2020Observed: 97.8 ft at 4:15AM Aug 11, 2020Observed: 97.81 ft at 4:30AM Aug 11, 2020Observed: 97.82 ft at 4:45AM Aug 11, 2020Observed: 97.82 ft at 5:00AM Aug 11, 2020Observed: 97.82 ft at 5:15AM Aug 11, 2020Highest Observation: 97.83 ft at 5:30AM Aug 11, 2020Observed: 97.82 ft at 5:45AM Aug 11, 2020Highest Observation: 97.83 ft at 6:00AM Aug 11, 2020Observed: 97.82 ft at 6:15AM Aug 11, 2020Observed: 97.82 ft at 6:30AM Aug 11, 2020Observed: 97.82 ft at 6:45AM Aug 11, 2020Observed: 97.82 ft at 7:00AM Aug 11, 2020Observed: 97.82 ft at 7:15AM Aug 11, 2020Observed: 97.82 ft at 7:30AM Aug 11, 2020Observed: 97.82 ft at 7:45AM Aug 11, 2020Observed: 97.81 ft at 8:00AM Aug 11, 2020Observed: 97.81 ft at 8:15AM Aug 11, 2020Observed: 97.81 ft at 8:30AM Aug 11, 2020Observed: 97.81 ft at 8:45AM Aug 11, 2020Observed: 97.8 ft at 9:00AM Aug 11, 2020Observed: 97.8 ft at 9:15AM Aug 11, 2020Observed: 97.8 ft at 9:30AM Aug 11, 2020Observed: 97.79 ft at 9:45AM Aug 11, 2020Observed: 97.79 ft at 10:00AM Aug 11, 2020Observed: 97.79 ft at 10:15AM Aug 11, 2020Observed: 97.77 ft at 10:30AM Aug 11, 2020Observed: 97.77 ft at 10:45AM Aug 11, 2020Observed: 97.77 ft at 11:00AM Aug 11, 2020Observed: 97.77 ft at 11:15AM Aug 11, 2020Observed: 97.75 ft at 11:30AM Aug 11, 2020Observed: 97.76 ft at 11:45AM Aug 11, 2020Observed: 97.75 ft at 12:00PM Aug 11, 2020Observed: 97.74 ft at 12:15PM Aug 11, 2020Observed: 97.74 ft at 12:30PM Aug 11, 2020Observed: 97.73 ft at 12:45PM Aug 11, 2020Observed: 97.73 ft at 1:00PM Aug 11, 2020Observed: 97.72 ft at 1:15PM Aug 11, 2020Observed: 97.72 ft at 1:30PM Aug 11, 2020Observed: 97.72 ft at 1:45PM Aug 11, 2020Observed: 97.71 ft at 2:00PM Aug 11, 2020Observed: 97.71 ft at 2:15PM Aug 11, 2020Observed: 97.7 ft at 2:30PM Aug 11, 2020Observed: 97.7 ft at 2:45PM Aug 11, 2020Observed: 97.69 ft at 3:00PM Aug 11, 2020Observed: 97.69 ft at 3:15PM Aug 11, 2020Observed: 97.68 ft at 3:30PM Aug 11, 2020Observed: 97.68 ft at 3:45PM Aug 11, 2020Observed: 97.67 ft at 4:00PM Aug 11, 2020Observed: 97.67 ft at 4:15PM Aug 11, 2020Observed: 97.66 ft at 4:30PM Aug 11, 2020Observed: 97.66 ft at 4:45PM Aug 11, 2020Observed: 97.65 ft at 5:00PM Aug 11, 2020Observed: 97.65 ft at 5:15PM Aug 11, 2020Observed: 97.65 ft at 5:30PM Aug 11, 2020Observed: 97.65 ft at 5:45PM Aug 11, 2020Observed: 97.64 ft at 6:00PM Aug 11, 2020Observed: 97.64 ft at 6:15PM Aug 11, 2020Observed: 97.63 ft at 6:30PM Aug 11, 2020Observed: 97.64 ft at 6:45PM Aug 11, 2020Observed: 97.63 ft at 7:00PM Aug 11, 2020Observed: 97.62 ft at 7:15PM Aug 11, 2020Observed: 97.62 ft at 7:30PM Aug 11, 2020Observed: 97.63 ft at 7:45PM Aug 11, 2020Observed: 97.63 ft at 8:00PM Aug 11, 2020Observed: 97.61 ft at 8:15PM Aug 11, 2020Observed: 97.62 ft at 8:30PM Aug 11, 2020Observed: 97.61 ft at 8:45PM Aug 11, 2020Observed: 97.6 ft at 9:00PM Aug 11, 2020Observed: 97.61 ft at 9:15PM Aug 11, 2020Observed: 97.6 ft at 9:30PM Aug 11, 2020Observed: 97.59 ft at 9:45PM Aug 11, 2020Observed: 97.6 ft at 10:00PM Aug 11, 2020Observed: 97.6 ft at 10:15PM Aug 11, 2020Observed: 97.6 ft at 10:30PM Aug 11, 2020Observed: 97.59 ft at 10:45PM Aug 11, 2020Observed: 97.59 ft at 11:00PM Aug 11, 2020Observed: 97.58 ft at 11:15PM Aug 11, 2020Observed: 97.58 ft at 11:30PM Aug 11, 2020Observed: 97.58 ft at 11:45PM Aug 11, 2020Observed: 97.57 ft at 12:00AM Aug 12, 2020Observed: 97.57 ft at 12:15AM Aug 12, 2020Observed: 97.56 ft at 12:30AM Aug 12, 2020Observed: 97.57 ft at 12:45AM Aug 12, 2020Observed: 97.56 ft at 1:00AM Aug 12, 2020Observed: 97.55 ft at 1:15AM Aug 12, 2020Observed: 97.56 ft at 1:30AM Aug 12, 2020Observed: 97.56 ft at 1:45AM Aug 12, 2020Observed: 97.55 ft at 2:00AM Aug 12, 2020Observed: 97.55 ft at 2:15AM Aug 12, 2020Observed: 97.54 ft at 2:30AM Aug 12, 2020Observed: 97.54 ft at 2:45AM Aug 12, 2020Observed: 97.54 ft at 3:00AM Aug 12, 2020Observed: 97.53 ft at 3:15AM Aug 12, 2020Observed: 97.53 ft at 3:30AM Aug 12, 2020Observed: 97.52 ft at 3:45AM Aug 12, 2020Observed: 97.52 ft at 4:00AM Aug 12, 2020Observed: 97.51 ft at 4:15AM Aug 12, 2020Observed: 97.51 ft at 4:30AM Aug 12, 2020Observed: 97.52 ft at 4:45AM Aug 12, 2020Observed: 97.51 ft at 5:00AM Aug 12, 2020Observed: 97.5 ft at 5:15AM Aug 12, 2020Observed: 97.5 ft at 5:30AM Aug 12, 2020Observed: 97.5 ft at 5:45AM Aug 12, 2020Observed: 97.48 ft at 6:00AM Aug 12, 2020Observed: 97.47 ft at 6:15AM Aug 12, 2020Observed: 97.47 ft at 6:30AM Aug 12, 2020Observed: 97.47 ft at 6:45AM Aug 12, 2020Observed: 97.47 ft at 7:00AM Aug 12, 2020Observed: 97.46 ft at 7:15AM Aug 12, 2020Observed: 97.46 ft at 7:30AM Aug 12, 2020Minnesota DNRALVM5(plotting HGIRG) Graph Created (8:19AM Aug 12, 2020)ObservedLatest observed value: 97.46 ft at 7:30 AM CDT 12-Aug-2020. Flood Stage is 106 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Snake River (NW MN) at Alvarado are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - above Warren Upstream Gauge Downstream Gauge Downstream Gauge - at Drayton
Flood Categories (in feet)
Major Flood Stage: 110
Moderate Flood Stage: 108
Flood Stage: 106
Action Stage: 105
Low Stage (in feet): -9999

Historic Crests
(1) 110.88 ft on 04/20/1997
(2) 110.84 ft on 04/20/1979 (P)
(3) 110.34 ft on 03/01/1966 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 109.68 ft on 10/14/2019 (P)
(2) 108.54 ft on 04/11/2019 (P)
(3) 109.58 ft on 04/23/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 93.60 ft on 10/30/1979

For more information on your flood risk go to www.floodsmart.gov.
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 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
116 Water level reaches First Avenue.
114.6 Top of the levee elevation at gage...814.84 feet.
114 Water level reaches Highway 1.
113 Highway 220 is overtopped South of Alvarado. Sandbagging begins on South Road.
112.5 Water levels reaches East Railroad.
112 Water levels reach West Railroad.
111 Flooding begins in unprotected areas of Alvarado.
110 Major Flood Stage...110 feet...flooding between Hwy 1 and railroad grade due to backwater. Inspections of the dike begin.
108 Moderate Flood Stage and overland sheet flooding of local agricultural land.
106 Flood Warning Stage...Minor.Storm sewer flood gates are closed.
105 Forecast Service Stage.
104 Gatewell "B" elevation...804.24 feet.
103 Gatewell "A" elevation...803.24 feet.
93.36 Channel bottom...793.6 feet MSL.
About This Location Collapse

Latitude: 48.195000° N, Longitude: 97.005556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 106 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 29 700 ft 806 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
Eastern North Dakota/Grand Forks Weather Forecast Office
4797 Technology Circle
Grand Forks, ND 58203
(701) 772-0720
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