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Hydrograph River at a Glance Download
Snake River (NW MN) at Alvarado Stage (ft)Flow (kcfs)Highest Observation: 109.32 ft at 8:30PM May 16, 2022Observed: 109.3 ft at 8:45PM May 16, 2022Highest Observation: 109.32 ft at 9:00PM May 16, 2022Observed: 109.29 ft at 9:15PM May 16, 2022Observed: 109.3 ft at 9:30PM May 16, 2022Observed: 109.29 ft at 9:45PM May 16, 2022Observed: 109.27 ft at 10:00PM May 16, 2022Observed: 109.28 ft at 10:15PM May 16, 2022Observed: 109.27 ft at 10:30PM May 16, 2022Observed: 109.27 ft at 10:45PM May 16, 2022Observed: 109.27 ft at 11:00PM May 16, 2022Observed: 109.25 ft at 11:15PM May 16, 2022Observed: 109.25 ft at 11:30PM May 16, 2022Observed: 109.25 ft at 11:45PM May 16, 2022Observed: 109.24 ft at 12:00AM May 17, 2022Observed: 109.27 ft at 12:15AM May 17, 2022Observed: 109.26 ft at 12:30AM May 17, 2022Observed: 109.24 ft at 12:45AM May 17, 2022Observed: 109.24 ft at 1:00AM May 17, 2022Observed: 109.23 ft at 1:15AM May 17, 2022Observed: 109.21 ft at 1:30AM May 17, 2022Observed: 109.22 ft at 1:45AM May 17, 2022Observed: 109.21 ft at 2:00AM May 17, 2022Observed: 109.2 ft at 2:15AM May 17, 2022Observed: 109.19 ft at 2:30AM May 17, 2022Observed: 109.19 ft at 2:45AM May 17, 2022Observed: 109.18 ft at 3:00AM May 17, 2022Observed: 109.18 ft at 3:15AM May 17, 2022Observed: 109.17 ft at 3:30AM May 17, 2022Observed: 109.17 ft at 3:45AM May 17, 2022Observed: 109.16 ft at 4:00AM May 17, 2022Observed: 109.16 ft at 4:15AM May 17, 2022Observed: 109.15 ft at 4:30AM May 17, 2022Observed: 109.15 ft at 4:45AM May 17, 2022Observed: 109.14 ft at 5:00AM May 17, 2022Observed: 109.12 ft at 5:15AM May 17, 2022Observed: 109.13 ft at 5:30AM May 17, 2022Observed: 109.16 ft at 5:45AM May 17, 2022Observed: 109.11 ft at 6:00AM May 17, 2022Observed: 109.09 ft at 6:15AM May 17, 2022Observed: 109.09 ft at 6:30AM May 17, 2022Observed: 109.09 ft at 6:45AM May 17, 2022Observed: 109.09 ft at 7:00AM May 17, 2022Observed: 109.08 ft at 7:15AM May 17, 2022Observed: 109.07 ft at 7:30AM May 17, 2022Observed: 109.08 ft at 7:45AM May 17, 2022Observed: 109.07 ft at 8:00AM May 17, 2022Observed: 109.06 ft at 8:15AM May 17, 2022Observed: 109.07 ft at 8:30AM May 17, 2022Observed: 109.04 ft at 8:45AM May 17, 2022Observed: 109.04 ft at 9:00AM May 17, 2022Observed: 109.03 ft at 9:15AM May 17, 2022Observed: 109.02 ft at 9:30AM May 17, 2022Observed: 109.02 ft at 9:45AM May 17, 2022Observed: 109.01 ft at 10:00AM May 17, 2022Observed: 109 ft at 10:15AM May 17, 2022Observed: 108.99 ft at 10:30AM May 17, 2022Observed: 108.98 ft at 10:45AM May 17, 2022Observed: 108.97 ft at 11:00AM May 17, 2022Observed: 108.97 ft at 11:15AM May 17, 2022Observed: 108.95 ft at 11:30AM May 17, 2022Observed: 108.95 ft at 11:45AM May 17, 2022Observed: 108.94 ft at 12:00PM May 17, 2022Observed: 108.93 ft at 12:15PM May 17, 2022Observed: 108.92 ft at 12:30PM May 17, 2022Observed: 108.91 ft at 12:45PM May 17, 2022Observed: 108.91 ft at 1:00PM May 17, 2022Observed: 108.89 ft at 1:15PM May 17, 2022Observed: 108.87 ft at 1:30PM May 17, 2022Observed: 108.87 ft at 1:45PM May 17, 2022Observed: 108.88 ft at 2:00PM May 17, 2022Observed: 108.86 ft at 2:15PM May 17, 2022Observed: 108.85 ft at 2:30PM May 17, 2022Observed: 108.84 ft at 2:45PM May 17, 2022Observed: 108.84 ft at 3:00PM May 17, 2022Observed: 108.85 ft at 3:15PM May 17, 2022Observed: 108.83 ft at 3:30PM May 17, 2022Observed: 108.83 ft at 3:45PM May 17, 2022Observed: 108.81 ft at 4:00PM May 17, 2022Observed: 108.8 ft at 4:15PM May 17, 2022Observed: 108.8 ft at 4:30PM May 17, 2022Observed: 108.78 ft at 4:45PM May 17, 2022Observed: 108.78 ft at 5:00PM May 17, 2022Observed: 108.77 ft at 5:15PM May 17, 2022Observed: 108.76 ft at 5:30PM May 17, 2022Observed: 108.75 ft at 5:45PM May 17, 2022Observed: 108.74 ft at 6:00PM May 17, 2022Observed: 108.74 ft at 6:15PM May 17, 2022Observed: 108.72 ft at 6:30PM May 17, 2022Observed: 108.73 ft at 6:45PM May 17, 2022Observed: 108.71 ft at 7:00PM May 17, 2022Observed: 108.71 ft at 7:15PM May 17, 2022Observed: 108.7 ft at 7:30PM May 17, 2022Observed: 108.69 ft at 7:45PM May 17, 2022Observed: 108.68 ft at 8:00PM May 17, 2022Observed: 108.68 ft at 8:15PM May 17, 2022Observed: 108.66 ft at 8:30PM May 17, 2022Observed: 108.65 ft at 8:45PM May 17, 2022Observed: 108.64 ft at 9:00PM May 17, 2022Observed: 108.63 ft at 9:15PM May 17, 2022Observed: 108.62 ft at 9:30PM May 17, 2022Observed: 108.62 ft at 9:45PM May 17, 2022Observed: 108.62 ft at 10:00PM May 17, 2022Observed: 108.6 ft at 10:15PM May 17, 2022Observed: 108.59 ft at 10:30PM May 17, 2022Observed: 108.58 ft at 10:45PM May 17, 2022Observed: 108.57 ft at 11:00PM May 17, 2022Observed: 108.56 ft at 11:15PM May 17, 2022Observed: 108.55 ft at 11:30PM May 17, 2022Observed: 108.54 ft at 11:45PM May 17, 2022Observed: 108.53 ft at 12:00AM May 18, 2022Observed: 108.52 ft at 12:15AM May 18, 2022Observed: 108.51 ft at 12:30AM May 18, 2022Observed: 108.5 ft at 12:45AM May 18, 2022Observed: 108.5 ft at 1:00AM May 18, 2022Observed: 108.49 ft at 1:15AM May 18, 2022Observed: 108.48 ft at 1:30AM May 18, 2022Observed: 108.47 ft at 1:45AM May 18, 2022Observed: 108.46 ft at 2:00AM May 18, 2022Observed: 108.44 ft at 2:15AM May 18, 2022Observed: 108.44 ft at 2:30AM May 18, 2022Observed: 108.43 ft at 2:45AM May 18, 2022Observed: 108.41 ft at 3:00AM May 18, 2022Observed: 108.4 ft at 3:15AM May 18, 2022Observed: 108.4 ft at 3:30AM May 18, 2022Observed: 108.38 ft at 3:45AM May 18, 2022Observed: 108.37 ft at 4:00AM May 18, 2022Observed: 108.35 ft at 4:15AM May 18, 2022Observed: 108.33 ft at 4:30AM May 18, 2022Observed: 108.34 ft at 4:45AM May 18, 2022Observed: 108.33 ft at 5:00AM May 18, 2022Observed: 108.31 ft at 5:15AM May 18, 2022Observed: 108.29 ft at 5:30AM May 18, 2022Observed: 108.29 ft at 5:45AM May 18, 2022Observed: 108.27 ft at 6:00AM May 18, 2022Observed: 108.25 ft at 6:15AM May 18, 2022Observed: 108.24 ft at 6:30AM May 18, 2022Observed: 108.24 ft at 6:45AM May 18, 2022Observed: 108.21 ft at 7:00AM May 18, 2022Observed: 108.19 ft at 7:15AM May 18, 2022Observed: 108.19 ft at 7:30AM May 18, 2022Observed: 108.17 ft at 7:45AM May 18, 2022Observed: 108.15 ft at 8:00AM May 18, 2022Observed: 108.13 ft at 8:15AM May 18, 2022Observed: 108.12 ft at 8:30AM May 18, 2022Observed: 108.11 ft at 8:45AM May 18, 2022Observed: 108.09 ft at 9:00AM May 18, 2022Observed: 108.07 ft at 9:15AM May 18, 2022Observed: 108.06 ft at 9:30AM May 18, 2022Observed: 108.05 ft at 9:45AM May 18, 2022Observed: 108.07 ft at 10:00AM May 18, 2022Observed: 108.01 ft at 10:15AM May 18, 2022Observed: 107.99 ft at 10:30AM May 18, 2022Observed: 107.98 ft at 10:45AM May 18, 2022Observed: 107.97 ft at 11:00AM May 18, 2022Observed: 107.94 ft at 11:15AM May 18, 2022Observed: 107.92 ft at 11:30AM May 18, 2022Observed: 107.9 ft at 11:45AM May 18, 2022Observed: 107.88 ft at 12:00PM May 18, 2022Observed: 107.86 ft at 12:15PM May 18, 2022Observed: 107.84 ft at 12:30PM May 18, 2022Observed: 107.81 ft at 12:45PM May 18, 2022Observed: 107.79 ft at 1:00PM May 18, 2022Observed: 107.79 ft at 1:15PM May 18, 2022Observed: 107.77 ft at 1:30PM May 18, 2022Observed: 107.74 ft at 1:45PM May 18, 2022Observed: 107.72 ft at 2:00PM May 18, 2022Observed: 107.71 ft at 2:15PM May 18, 2022Observed: 107.68 ft at 2:30PM May 18, 2022Observed: 107.66 ft at 2:45PM May 18, 2022Observed: 107.64 ft at 3:00PM May 18, 2022Observed: 107.62 ft at 3:15PM May 18, 2022Observed: 107.6 ft at 3:30PM May 18, 2022Observed: 107.58 ft at 3:45PM May 18, 2022Observed: 107.56 ft at 4:00PM May 18, 2022Observed: 107.53 ft at 4:15PM May 18, 2022Observed: 107.51 ft at 4:30PM May 18, 2022Observed: 107.49 ft at 4:45PM May 18, 2022Observed: 107.46 ft at 5:00PM May 18, 2022Observed: 107.43 ft at 5:15PM May 18, 2022Observed: 107.4 ft at 5:30PM May 18, 2022Observed: 107.37 ft at 5:45PM May 18, 2022Observed: 107.35 ft at 6:00PM May 18, 2022Observed: 107.33 ft at 6:15PM May 18, 2022Observed: 107.3 ft at 6:30PM May 18, 2022Observed: 107.28 ft at 6:45PM May 18, 2022Observed: 107.25 ft at 7:00PM May 18, 2022Observed: 107.24 ft at 7:15PM May 18, 2022Observed: 107.2 ft at 7:30PM May 18, 2022Observed: 107.18 ft at 7:45PM May 18, 2022Observed: 107.15 ft at 8:00PM May 18, 2022Observed: 107.12 ft at 8:15PM May 18, 2022Observed: 107.11 ft at 8:30PM May 18, 2022Observed: 107.08 ft at 8:45PM May 18, 2022Observed: 107.06 ft at 9:00PM May 18, 2022Observed: 107.03 ft at 9:15PM May 18, 2022Observed: 107.01 ft at 9:30PM May 18, 2022Observed: 106.99 ft at 9:45PM May 18, 2022Observed: 106.96 ft at 10:00PM May 18, 2022Observed: 106.94 ft at 10:15PM May 18, 2022Observed: 106.92 ft at 10:30PM May 18, 2022Observed: 106.89 ft at 10:45PM May 18, 2022Observed: 106.87 ft at 11:00PM May 18, 2022Observed: 106.84 ft at 11:15PM May 18, 2022Observed: 106.83 ft at 11:30PM May 18, 2022Observed: 106.8 ft at 11:45PM May 18, 2022Observed: 106.78 ft at 12:00AM May 19, 2022Observed: 106.75 ft at 12:15AM May 19, 2022Observed: 106.73 ft at 12:30AM May 19, 2022Observed: 106.71 ft at 12:45AM May 19, 2022Observed: 106.69 ft at 1:00AM May 19, 2022Observed: 106.66 ft at 1:15AM May 19, 2022Observed: 106.65 ft at 1:30AM May 19, 2022Observed: 106.62 ft at 1:45AM May 19, 2022Observed: 106.6 ft at 2:00AM May 19, 2022Observed: 106.57 ft at 2:15AM May 19, 2022Observed: 106.55 ft at 2:30AM May 19, 2022Observed: 106.53 ft at 2:45AM May 19, 2022Observed: 106.51 ft at 3:00AM May 19, 2022Observed: 106.49 ft at 3:15AM May 19, 2022Observed: 106.46 ft at 3:30AM May 19, 2022Observed: 106.44 ft at 3:45AM May 19, 2022Observed: 106.42 ft at 4:00AM May 19, 2022Observed: 106.4 ft at 4:15AM May 19, 2022Observed: 106.37 ft at 4:30AM May 19, 2022Observed: 106.35 ft at 4:45AM May 19, 2022Observed: 106.33 ft at 5:00AM May 19, 2022Observed: 106.31 ft at 5:15AM May 19, 2022Observed: 106.28 ft at 5:30AM May 19, 2022Observed: 106.26 ft at 5:45AM May 19, 2022Observed: 106.24 ft at 6:00AM May 19, 2022Observed: 106.22 ft at 6:15AM May 19, 2022Observed: 106.19 ft at 6:30AM May 19, 2022Observed: 106.17 ft at 6:45AM May 19, 2022Observed: 106.15 ft at 7:00AM May 19, 2022Observed: 106.13 ft at 7:15AM May 19, 2022Observed: 106.11 ft at 7:30AM May 19, 2022Observed: 106.09 ft at 7:45AM May 19, 2022Observed: 106.08 ft at 8:00AM May 19, 2022Observed: 106.06 ft at 8:15AM May 19, 2022Observed: 106.04 ft at 8:30AM May 19, 2022Observed: 106.02 ft at 8:45AM May 19, 2022Observed: 106 ft at 9:00AM May 19, 2022Observed: 105.98 ft at 9:15AM May 19, 2022Observed: 105.96 ft at 9:30AM May 19, 2022Observed: 105.93 ft at 9:45AM May 19, 2022Observed: 105.92 ft at 10:00AM May 19, 2022Observed: 105.9 ft at 10:15AM May 19, 2022Observed: 105.88 ft at 10:30AM May 19, 2022Observed: 105.86 ft at 10:45AM May 19, 2022Observed: 105.84 ft at 11:00AM May 19, 2022Observed: 105.82 ft at 11:15AM May 19, 2022Observed: 105.8 ft at 11:30AM May 19, 2022Observed: 105.78 ft at 11:45AM May 19, 2022Observed: 105.76 ft at 12:00PM May 19, 2022Observed: 105.75 ft at 12:15PM May 19, 2022Observed: 105.72 ft at 12:30PM May 19, 2022Observed: 105.7 ft at 12:45PM May 19, 2022Observed: 105.68 ft at 1:00PM May 19, 2022Observed: 105.66 ft at 1:15PM May 19, 2022Observed: 105.64 ft at 1:30PM May 19, 2022Observed: 105.62 ft at 1:45PM May 19, 2022Observed: 105.6 ft at 2:00PM May 19, 2022Observed: 105.58 ft at 2:15PM May 19, 2022Observed: 105.56 ft at 2:30PM May 19, 2022Observed: 105.54 ft at 2:45PM May 19, 2022Observed: 105.52 ft at 3:00PM May 19, 2022Observed: 105.5 ft at 3:15PM May 19, 2022Observed: 105.49 ft at 3:30PM May 19, 2022Observed: 105.47 ft at 3:45PM May 19, 2022Observed: 105.46 ft at 4:00PM May 19, 2022Observed: 105.44 ft at 4:15PM May 19, 2022Observed: 105.43 ft at 4:30PM May 19, 2022Observed: 105.41 ft at 4:45PM May 19, 2022Observed: 105.4 ft at 5:00PM May 19, 2022Observed: 105.39 ft at 5:15PM May 19, 2022Observed: 105.37 ft at 5:30PM May 19, 2022Observed: 105.36 ft at 5:45PM May 19, 2022Observed: 105.35 ft at 6:00PM May 19, 2022Observed: 105.35 ft at 6:15PM May 19, 2022Observed: 105.34 ft at 6:30PM May 19, 2022Observed: 105.33 ft at 6:45PM May 19, 2022Observed: 105.32 ft at 7:00PM May 19, 2022Observed: 105.31 ft at 7:15PM May 19, 2022Observed: 105.3 ft at 7:30PM May 19, 2022Highest Forecast: 105 ft 1:00AM May 20, 2022Forecast: 104.8 ft 7:00AM May 20, 2022Forecast: 104.6 ft 1:00PM May 20, 2022Forecast: 104.4 ft 7:00PM May 20, 2022Forecast: 104.3 ft 1:00AM May 21, 2022Forecast: 104.2 ft 7:00AM May 21, 2022Forecast: 104.1 ft 1:00PM May 21, 2022Forecast: 104 ft 7:00PM May 21, 2022Forecast: 104 ft 1:00AM May 22, 2022Forecast: 103.9 ft 7:00AM May 22, 2022Forecast: 103.8 ft 1:00PM May 22, 2022Forecast: 103.7 ft 7:00PM May 22, 2022Forecast: 103.6 ft 1:00AM May 23, 2022Forecast: 103.6 ft 7:00AM May 23, 2022Forecast: 103.5 ft 1:00PM May 23, 2022Forecast: 103.4 ft 7:00PM May 23, 2022Forecast: 103.3 ft 1:00AM May 24, 2022Forecast: 103.3 ft 7:00AM May 24, 2022Forecast: 103.3 ft 1:00PM May 24, 2022Forecast: 103.2 ft 7:00PM May 24, 2022Forecast: 103.2 ft 1:00AM May 25, 2022Forecast: 103.1 ft 7:00AM May 25, 2022Forecast: 103.1 ft 1:00PM May 25, 2022Forecast: 103.1 ft 7:00PM May 25, 2022Forecast: 103 ft 1:00AM May 26, 2022Forecast: 103 ft 7:00AM May 26, 2022Minnesota DNRALVM5(plotting HGIRG) Graph Created (8:19PM May 19, 2022)ObservedForecast (issued 10:05AM May 19)Latest observed value: 105.3 ft at 7:30 PM CDT 19-May-2022. Flood Stage is 106 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
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
(3) 110.75 ft on 04/04/2006
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 110.05 ft on 04/11/2020 (P)
(2) 108.54 ft on 04/12/2019
(3) 109.61 ft on 04/23/2018
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 www.floodsmart.gov.
Zoom Level:14
KML Image
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
116 Water level reaches First Avenue.
114.6 Top of the levee elevation at gage (814.84 ft).
114 Water level reaches Highway 1.
113 Highway 220 is overtopped south of Alvarado. Sandbagging begins on South Road.
112.5 Water levels reach East Railroad.
112 Water levels reach West Railroad.
111 Flooding begins in unprotected areas of Alvarado.
110 MAJOR FLOOD STAGE. Flooding between Hwy 1 and railroad grade due to backwater. Inspections of the dike begin.
108 MODERATE FLOOD STAGE. Overland flooding of local agricultural land.
106 MINOR FLOOD STAGE. Storm sewer flood gates are closed.
105 ACTION STAGE/FORECAST SERVICE STAGE.
104 Gatewell "B" elevation (804.24 ft).
103 Gatewell "A" elevation (803.24 ft).
93.36 Channel bottom (793.6 ft).
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 29 700.00 ft 806.00 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
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Grand Forks, ND 58203
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