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  The 2019 National Hydrologic Assessment - Spring Flood Outlook has been released (3/21/19) - Visit website, story map, or download file

Hydrograph River at a Glance Download
Big Sioux River near Estelline Stage (ft)Flow (cfs)Observed: 1643.1 ft at 3:30PM Mar 20, 2019Observed: 1643.14 ft at 3:45PM Mar 20, 2019Observed: 1643.14 ft at 4:00PM Mar 20, 2019Observed: 1643.17 ft at 4:15PM Mar 20, 2019Observed: 1643.21 ft at 4:45PM Mar 20, 2019Observed: 1643.21 ft at 5:00PM Mar 20, 2019Observed: 1643.23 ft at 5:15PM Mar 20, 2019Observed: 1643.24 ft at 5:30PM Mar 20, 2019Observed: 1643.24 ft at 5:45PM Mar 20, 2019Observed: 1643.26 ft at 6:00PM Mar 20, 2019Observed: 1643.27 ft at 6:15PM Mar 20, 2019Observed: 1643.28 ft at 6:30PM Mar 20, 2019Observed: 1643.3 ft at 6:45PM Mar 20, 2019Observed: 1643.31 ft at 7:00PM Mar 20, 2019Observed: 1643.31 ft at 7:15PM Mar 20, 2019Observed: 1643.32 ft at 7:30PM Mar 20, 2019Observed: 1643.31 ft at 7:45PM Mar 20, 2019Observed: 1643.16 ft at 12:45PM Mar 21, 2019Observed: 1643.2 ft at 1:00PM Mar 21, 2019Observed: 1643.24 ft at 1:15PM Mar 21, 2019Observed: 1643.29 ft at 1:30PM Mar 21, 2019Observed: 1643.33 ft at 1:45PM Mar 21, 2019Observed: 1643.37 ft at 2:00PM Mar 21, 2019Observed: 1643.42 ft at 2:15PM Mar 21, 2019Observed: 1643.47 ft at 2:30PM Mar 21, 2019Observed: 1643.52 ft at 2:45PM Mar 21, 2019Observed: 1643.56 ft at 3:00PM Mar 21, 2019Observed: 1643.59 ft at 3:15PM Mar 21, 2019Observed: 1643.62 ft at 3:30PM Mar 21, 2019Observed: 1643.65 ft at 3:45PM Mar 21, 2019Observed: 1643.67 ft at 4:00PM Mar 21, 2019Observed: 1643.69 ft at 4:15PM Mar 21, 2019Observed: 1643.73 ft at 4:30PM Mar 21, 2019Observed: 1643.76 ft at 4:45PM Mar 21, 2019Observed: 1643.79 ft at 5:00PM Mar 21, 2019Observed: 1643.82 ft at 5:15PM Mar 21, 2019Observed: 1643.83 ft at 5:30PM Mar 21, 2019Observed: 1643.84 ft at 5:45PM Mar 21, 2019Observed: 1643.86 ft at 6:00PM Mar 21, 2019Observed: 1643.87 ft at 6:15PM Mar 21, 2019Observed: 1643.91 ft at 6:30PM Mar 21, 2019Observed: 1643.92 ft at 6:45PM Mar 21, 2019Observed: 1643.94 ft at 7:00PM Mar 21, 2019Observed: 1644.03 ft at 8:30PM Mar 21, 2019Observed: 1644.05 ft at 8:45PM Mar 21, 2019Observed: 1644.1 ft at 12:00AM Mar 22, 2019Observed: 1643.99 ft at 2:45AM Mar 22, 2019Observed: 1643.86 ft at 9:15AM Mar 22, 2019Observed: 1643.88 ft at 9:30AM Mar 22, 2019Observed: 1643.9 ft at 9:45AM Mar 22, 2019Observed: 1643.9 ft at 10:00AM Mar 22, 2019Observed: 1643.91 ft at 10:15AM Mar 22, 2019Observed: 1643.94 ft at 10:30AM Mar 22, 2019Observed: 1643.97 ft at 10:45AM Mar 22, 2019Observed: 1644.01 ft at 11:00AM Mar 22, 2019Observed: 1644.05 ft at 11:15AM Mar 22, 2019Observed: 1644.09 ft at 11:30AM Mar 22, 2019Observed: 1644.13 ft at 11:45AM Mar 22, 2019Observed: 1644.17 ft at 12:00PM Mar 22, 2019Observed: 1644.22 ft at 12:15PM Mar 22, 2019Observed: 1644.26 ft at 12:30PM Mar 22, 2019Observed: 1644.31 ft at 12:45PM Mar 22, 2019Observed: 1644.36 ft at 1:00PM Mar 22, 2019Observed: 1644.41 ft at 1:15PM Mar 22, 2019Observed: 1644.45 ft at 1:30PM Mar 22, 2019Observed: 1644.48 ft at 1:45PM Mar 22, 2019Observed: 1644.5 ft at 2:00PM Mar 22, 2019Observed: 1644.52 ft at 2:15PM Mar 22, 2019Observed: 1644.54 ft at 2:30PM Mar 22, 2019Observed: 1644.58 ft at 2:45PM Mar 22, 2019Observed: 1644.63 ft at 3:00PM Mar 22, 2019Observed: 1644.68 ft at 3:15PM Mar 22, 2019Observed: 1644.73 ft at 3:30PM Mar 22, 2019Observed: 1644.77 ft at 3:45PM Mar 22, 2019Observed: 1644.8 ft at 4:00PM Mar 22, 2019Observed: 1644.83 ft at 4:15PM Mar 22, 2019Observed: 1644.85 ft at 4:30PM Mar 22, 2019Observed: 1644.87 ft at 4:45PM Mar 22, 2019Observed: 1644.9 ft at 5:00PM Mar 22, 2019Observed: 1644.94 ft at 5:15PM Mar 22, 2019Observed: 1645 ft at 5:30PM Mar 22, 2019Observed: 1645.03 ft at 5:45PM Mar 22, 2019Observed: 1645.05 ft at 6:00PM Mar 22, 2019Observed: 1645.08 ft at 6:15PM Mar 22, 2019Observed: 1645.1 ft at 6:30PM Mar 22, 2019Observed: 1645.12 ft at 6:45PM Mar 22, 2019Observed: 1645.14 ft at 7:00PM Mar 22, 2019Observed: 1645.16 ft at 7:15PM Mar 22, 2019Observed: 1645.19 ft at 7:30PM Mar 22, 2019Observed: 1645.2 ft at 7:45PM Mar 22, 2019Observed: 1645.22 ft at 8:00PM Mar 22, 2019Observed: 1645.23 ft at 8:30PM Mar 22, 2019Observed: 1645.24 ft at 8:45PM Mar 22, 2019Observed: 1645.24 ft at 9:00PM Mar 22, 2019Observed: 1645.27 ft at 9:30PM Mar 22, 2019Observed: 1645.27 ft at 9:45PM Mar 22, 2019Observed: 1645.28 ft at 10:00PM Mar 22, 2019Observed: 1645.28 ft at 10:30PM Mar 22, 2019Observed: 1645.28 ft at 10:45PM Mar 22, 2019Observed: 1645.27 ft at 11:45PM Mar 22, 2019Observed: 1645.24 ft at 12:30AM Mar 23, 2019Observed: 1645.25 ft at 12:45AM Mar 23, 2019Observed: 1645.23 ft at 1:00AM Mar 23, 2019Observed: 1645.21 ft at 1:30AM Mar 23, 2019Observed: 1645.2 ft at 1:45AM Mar 23, 2019Observed: 1645.19 ft at 2:00AM Mar 23, 2019Observed: 1645.17 ft at 2:30AM Mar 23, 2019Observed: 1645.17 ft at 2:45AM Mar 23, 2019Observed: 1645.15 ft at 3:00AM Mar 23, 2019Observed: 1645.14 ft at 3:30AM Mar 23, 2019Observed: 1645.13 ft at 3:45AM Mar 23, 2019Observed: 1645.12 ft at 4:00AM Mar 23, 2019Observed: 1645.11 ft at 5:30AM Mar 23, 2019Observed: 1645.1 ft at 5:45AM Mar 23, 2019Observed: 1645.11 ft at 6:00AM Mar 23, 2019Observed: 1645.1 ft at 6:30AM Mar 23, 2019Observed: 1645.09 ft at 6:45AM Mar 23, 2019Observed: 1645.11 ft at 7:00AM Mar 23, 2019Observed: 1645.1 ft at 7:30AM Mar 23, 2019Observed: 1645.11 ft at 7:45AM Mar 23, 2019Observed: 1645.1 ft at 8:00AM Mar 23, 2019Observed: 1645.12 ft at 8:45AM Mar 23, 2019Observed: 1645.13 ft at 9:00AM Mar 23, 2019Observed: 1645.14 ft at 9:15AM Mar 23, 2019Observed: 1645.16 ft at 9:30AM Mar 23, 2019Observed: 1645.19 ft at 9:45AM Mar 23, 2019Observed: 1645.2 ft at 10:00AM Mar 23, 2019Observed: 1645.22 ft at 10:15AM Mar 23, 2019Observed: 1645.23 ft at 10:30AM Mar 23, 2019Observed: 1645.24 ft at 10:45AM Mar 23, 2019Observed: 1645.25 ft at 11:00AM Mar 23, 2019Observed: 1645.28 ft at 11:15AM Mar 23, 2019Observed: 1645.31 ft at 11:30AM Mar 23, 2019Observed: 1645.34 ft at 11:45AM Mar 23, 2019Observed: 1645.35 ft at 12:00PM Mar 23, 2019Observed: 1645.37 ft at 12:15PM Mar 23, 2019Observed: 1645.37 ft at 12:30PM Mar 23, 2019Observed: 1645.38 ft at 12:45PM Mar 23, 2019Observed: 1645.4 ft at 1:00PM Mar 23, 2019Observed: 1645.41 ft at 1:15PM Mar 23, 2019Observed: 1645.43 ft at 1:30PM Mar 23, 2019Observed: 1645.44 ft at 1:45PM Mar 23, 2019Observed: 1645.46 ft at 2:00PM Mar 23, 2019Observed: 1645.46 ft at 2:15PM Mar 23, 2019Observed: 1645.47 ft at 2:30PM Mar 23, 2019Observed: 1645.47 ft at 2:45PM Mar 23, 2019Observed: 1645.48 ft at 3:00PM Mar 23, 2019Observed: 1645.49 ft at 3:15PM Mar 23, 2019Observed: 1645.5 ft at 3:30PM Mar 23, 2019Observed: 1645.51 ft at 3:45PM Mar 23, 2019Observed: 1645.53 ft at 4:00PM Mar 23, 2019Observed: 1645.53 ft at 4:15PM Mar 23, 2019Observed: 1645.53 ft at 4:30PM Mar 23, 2019Observed: 1645.56 ft at 4:45PM Mar 23, 2019Observed: 1645.56 ft at 5:00PM Mar 23, 2019Observed: 1645.56 ft at 5:15PM Mar 23, 2019Observed: 1645.56 ft at 5:30PM Mar 23, 2019Observed: 1645.57 ft at 5:45PM Mar 23, 2019Observed: 1645.57 ft at 6:00PM Mar 23, 2019Observed: 1645.58 ft at 6:15PM Mar 23, 2019Observed: 1645.58 ft at 6:30PM Mar 23, 2019Observed: 1645.59 ft at 6:45PM Mar 23, 2019Observed: 1645.6 ft at 7:00PM Mar 23, 2019Observed: 1645.6 ft at 7:30PM Mar 23, 2019Observed: 1645.59 ft at 7:45PM Mar 23, 2019Observed: 1645.59 ft at 8:00PM Mar 23, 2019Observed: 1645.59 ft at 8:30PM Mar 23, 2019Observed: 1645.6 ft at 8:45PM Mar 23, 2019Observed: 1645.6 ft at 9:00PM Mar 23, 2019Observed: 1645.62 ft at 9:30PM Mar 23, 2019Observed: 1645.6 ft at 9:45PM Mar 23, 2019Observed: 1645.6 ft at 10:00PM Mar 23, 2019Observed: 1645.62 ft at 10:30PM Mar 23, 2019Observed: 1645.62 ft at 10:45PM Mar 23, 2019Observed: 1645.61 ft at 11:00PM Mar 23, 2019Observed: 1645.6 ft at 12:30AM Mar 24, 2019Observed: 1645.6 ft at 12:45AM Mar 24, 2019Observed: 1645.61 ft at 1:00AM Mar 24, 2019Observed: 1645.61 ft at 1:15AM Mar 24, 2019Observed: 1645.61 ft at 1:30AM Mar 24, 2019Observed: 1645.63 ft at 1:45AM Mar 24, 2019Observed: 1645.64 ft at 2:00AM Mar 24, 2019Observed: 1645.65 ft at 2:15AM Mar 24, 2019Observed: 1645.65 ft at 2:30AM Mar 24, 2019Observed: 1645.65 ft at 2:45AM Mar 24, 2019Observed: 1645.66 ft at 3:00AM Mar 24, 2019Observed: 1645.69 ft at 3:15AM Mar 24, 2019Observed: 1645.68 ft at 3:30AM Mar 24, 2019Observed: 1645.67 ft at 3:45AM Mar 24, 2019Observed: 1645.7 ft at 4:00AM Mar 24, 2019Observed: 1645.72 ft at 4:15AM Mar 24, 2019Observed: 1645.73 ft at 4:30AM Mar 24, 2019Observed: 1645.75 ft at 4:45AM Mar 24, 2019Observed: 1645.76 ft at 5:00AM Mar 24, 2019Observed: 1645.76 ft at 5:15AM Mar 24, 2019Observed: 1645.77 ft at 5:30AM Mar 24, 2019Observed: 1645.78 ft at 5:45AM Mar 24, 2019Observed: 1645.78 ft at 6:00AM Mar 24, 2019Observed: 1645.79 ft at 6:15AM Mar 24, 2019Observed: 1645.8 ft at 6:30AM Mar 24, 2019Observed: 1645.8 ft at 6:45AM Mar 24, 2019Observed: 1645.81 ft at 7:00AM Mar 24, 2019Observed: 1645.81 ft at 7:15AM Mar 24, 2019Observed: 1645.82 ft at 7:30AM Mar 24, 2019Observed: 1645.82 ft at 7:45AM Mar 24, 2019Observed: 1645.82 ft at 8:00AM Mar 24, 2019Observed: 1645.83 ft at 8:15AM Mar 24, 2019Observed: 1645.84 ft at 8:30AM Mar 24, 2019Observed: 1645.83 ft at 8:45AM Mar 24, 2019Observed: 1645.84 ft at 9:00AM Mar 24, 2019Observed: 1645.84 ft at 9:15AM Mar 24, 2019Observed: 1645.84 ft at 9:30AM Mar 24, 2019Observed: 1645.85 ft at 9:45AM Mar 24, 2019Observed: 1645.85 ft at 10:00AM Mar 24, 2019Observed: 1645.84 ft at 10:15AM Mar 24, 2019Observed: 1645.85 ft at 10:30AM Mar 24, 2019Observed: 1645.87 ft at 10:45AM Mar 24, 2019Observed: 1645.88 ft at 11:00AM Mar 24, 2019Observed: 1645.89 ft at 11:15AM Mar 24, 2019Observed: 1645.9 ft at 11:30AM Mar 24, 2019Observed: 1645.9 ft at 11:45AM Mar 24, 2019Observed: 1645.91 ft at 12:00PM Mar 24, 2019Observed: 1645.92 ft at 12:15PM Mar 24, 2019Observed: 1645.93 ft at 12:30PM Mar 24, 2019Observed: 1645.94 ft at 12:45PM Mar 24, 2019Observed: 1645.94 ft at 1:00PM Mar 24, 2019Observed: 1645.94 ft at 1:15PM Mar 24, 2019Observed: 1645.96 ft at 1:30PM Mar 24, 2019Observed: 1645.96 ft at 1:45PM Mar 24, 2019Observed: 1645.97 ft at 2:00PM Mar 24, 2019Observed: 1645.98 ft at 2:15PM Mar 24, 2019Observed: 1646.01 ft at 2:30PM Mar 24, 2019Observed: 1646.01 ft at 2:45PM Mar 24, 2019Observed: 1646.02 ft at 3:00PM Mar 24, 2019Observed: 1646.06 ft at 3:15PM Mar 24, 2019Observed: 1646.08 ft at 3:30PM Mar 24, 2019Observed: 1646.09 ft at 3:45PM Mar 24, 2019Observed: 1646.09 ft at 4:00PM Mar 24, 2019Observed: 1646.14 ft at 5:15PM Mar 24, 2019Observed: 1646.13 ft at 5:30PM Mar 24, 2019Observed: 1646.05 ft at 5:45PM Mar 24, 2019Observed: 1646.09 ft at 6:00PM Mar 24, 2019Observed: 1646.03 ft at 6:30PM Mar 24, 2019Observed: 1645.96 ft at 6:45PM Mar 24, 2019Observed: 1645.97 ft at 7:00PM Mar 24, 2019Observed: 1645.97 ft at 7:30PM Mar 24, 2019Observed: 1645.95 ft at 7:45PM Mar 24, 2019Observed: 1645.96 ft at 8:00PM Mar 24, 2019Observed: 1646 ft at 8:30PM Mar 24, 2019Observed: 1645.96 ft at 8:45PM Mar 24, 2019Observed: 1646.16 ft at 11:30AM Mar 25, 2019Observed: 1646.06 ft at 11:45AM Mar 25, 2019Observed: 1646.11 ft at 12:00PM Mar 25, 2019Observed: 1646.12 ft at 12:15PM Mar 25, 2019Observed: 1646.16 ft at 12:30PM Mar 25, 2019Observed: 1646.17 ft at 12:45PM Mar 25, 2019Highest Observation: 1646.31 ft at 1:00PM Mar 25, 2019Observed: 1646.24 ft at 1:15PM Mar 25, 2019Observed: 1646.24 ft at 1:30PM Mar 25, 2019Observed: 1646.28 ft at 1:45PM Mar 25, 2019Observed: 1646.27 ft at 2:00PM Mar 25, 2019Observed: 1646.24 ft at 2:15PM Mar 25, 2019Observed: 1646.22 ft at 2:30PM Mar 25, 2019Observed: 1646.2 ft at 2:45PM Mar 25, 2019Observed: 1646.19 ft at 3:00PM Mar 25, 2019Observed: 1646.18 ft at 3:15PM Mar 25, 2019Observed: 1646.16 ft at 3:30PM Mar 25, 2019Observed: 1646.16 ft at 3:45PM Mar 25, 2019Observed: 1646.15 ft at 4:00PM Mar 25, 2019Observed: 1646.14 ft at 4:15PM Mar 25, 2019Observed: 1646.12 ft at 4:30PM Mar 25, 2019Observed: 1646.11 ft at 4:45PM Mar 25, 2019Observed: 1646.09 ft at 5:00PM Mar 25, 2019Observed: 1646.07 ft at 5:15PM Mar 25, 2019Observed: 1646.06 ft at 5:30PM Mar 25, 2019Observed: 1646.04 ft at 5:45PM Mar 25, 2019Observed: 1646.03 ft at 6:00PM Mar 25, 2019Observed: 1646.03 ft at 6:15PM Mar 25, 2019Observed: 1646.01 ft at 6:30PM Mar 25, 2019Observed: 1646.01 ft at 6:45PM Mar 25, 2019Observed: 1646.02 ft at 7:00PM Mar 25, 2019Observed: 1646.02 ft at 7:45PM Mar 25, 2019Observed: 1645.99 ft at 8:00PM Mar 25, 2019BSES2(plotting HGIRG) Graph Created (3:18AM Mar 26, 2019)ObservedLatest observed value: 1645.99 ft at 8:00 PM CDT 25-Mar-2019. Flood Stage is 1644 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading may be affected by ice.

NOTE: Graphical forecasts are not available for the Big Sioux River near Estelline. During times of high water, forecast crest information can be found in the text products.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Bruce
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 1645.5
Flood Stage: 1644
Action Stage: 1642.5
Low Stage (in feet): 0

Historic Crests
(1) 1,645.90 ft on 04/23/2018
(2) 1,644.60 ft on 04/13/2018

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,645.90 ft on 04/23/2018
(2) 1,644.60 ft on 04/13/2018

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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
1644 Significant flooding of crop and pasture land begins.
About This Location Collapse

Latitude: 44.572884° N, Longitude: 96.930225° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1644 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 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  
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 4-Mar-2019 11:29 PM
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