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Hydrograph River at a Glance Download
Floyd River near Struble Stage (ft)Flow (kcfs)Observed: 3.68 ft at 7:00PM Mar 19, 2024Observed: 3.65 ft at 8:00PM Mar 19, 2024Observed: 3.7 ft at 9:00PM Mar 19, 2024Observed: 3.69 ft at 10:00PM Mar 19, 2024Observed: 3.7 ft at 11:00PM Mar 19, 2024Observed: 3.68 ft at 12:00AM Mar 20, 2024Observed: 3.66 ft at 1:00AM Mar 20, 2024Observed: 3.69 ft at 2:00AM Mar 20, 2024Observed: 3.68 ft at 3:00AM Mar 20, 2024Observed: 3.67 ft at 4:00AM Mar 20, 2024Observed: 3.66 ft at 5:00AM Mar 20, 2024Observed: 3.68 ft at 6:00AM Mar 20, 2024Observed: 3.69 ft at 7:00AM Mar 20, 2024Observed: 3.64 ft at 8:00AM Mar 20, 2024Observed: 3.55 ft at 9:00AM Mar 20, 2024Observed: 3.54 ft at 10:00AM Mar 20, 2024Observed: 3.54 ft at 11:00AM Mar 20, 2024Observed: 3.6 ft at 12:00PM Mar 20, 2024Observed: 3.59 ft at 1:00PM Mar 20, 2024Observed: 3.58 ft at 3:00PM Mar 20, 2024Observed: 3.48 ft at 5:00PM Mar 20, 2024Observed: 3.52 ft at 6:00PM Mar 20, 2024Observed: 3.62 ft at 7:00PM Mar 20, 2024Observed: 3.66 ft at 8:00PM Mar 20, 2024Observed: 3.68 ft at 9:00PM Mar 20, 2024Observed: 3.69 ft at 10:00PM Mar 20, 2024Observed: 3.7 ft at 11:00PM Mar 20, 2024Observed: 3.69 ft at 12:00AM Mar 21, 2024Observed: 3.68 ft at 1:00AM Mar 21, 2024Observed: 3.69 ft at 2:00AM Mar 21, 2024Observed: 3.7 ft at 3:00AM Mar 21, 2024Observed: 3.7 ft at 4:00AM Mar 21, 2024Observed: 3.71 ft at 5:00AM Mar 21, 2024Observed: 3.69 ft at 6:00AM Mar 21, 2024Observed: 3.71 ft at 7:00AM Mar 21, 2024Observed: 3.7 ft at 8:00AM Mar 21, 2024Observed: 3.67 ft at 9:00AM Mar 21, 2024Observed: 3.67 ft at 10:00AM Mar 21, 2024Observed: 3.63 ft at 11:00AM Mar 21, 2024Observed: 3.65 ft at 12:00PM Mar 21, 2024Observed: 3.64 ft at 1:00PM Mar 21, 2024Observed: 3.63 ft at 2:00PM Mar 21, 2024Observed: 3.63 ft at 3:00PM Mar 21, 2024Observed: 3.63 ft at 4:00PM Mar 21, 2024Observed: 3.65 ft at 5:00PM Mar 21, 2024Observed: 3.66 ft at 6:00PM Mar 21, 2024Observed: 3.67 ft at 7:00PM Mar 21, 2024Observed: 3.66 ft at 8:00PM Mar 21, 2024Observed: 3.67 ft at 9:00PM Mar 21, 2024Observed: 3.69 ft at 10:00PM Mar 21, 2024Observed: 3.65 ft at 11:00PM Mar 21, 2024Observed: 3.67 ft at 12:00AM Mar 22, 2024Observed: 3.69 ft at 1:00AM Mar 22, 2024Observed: 3.69 ft at 2:00AM Mar 22, 2024Observed: 3.67 ft at 3:00AM Mar 22, 2024Observed: 3.71 ft at 4:00AM Mar 22, 2024Observed: 3.69 ft at 5:00AM Mar 22, 2024Observed: 3.71 ft at 6:00AM Mar 22, 2024Observed: 3.7 ft at 7:00AM Mar 22, 2024Observed: 3.68 ft at 8:00AM Mar 22, 2024Observed: 3.68 ft at 9:00AM Mar 22, 2024Observed: 3.66 ft at 10:00AM Mar 22, 2024Observed: 3.65 ft at 11:00AM Mar 22, 2024Observed: 3.61 ft at 12:00PM Mar 22, 2024Observed: 3.6 ft at 1:00PM Mar 22, 2024Observed: 3.64 ft at 2:00PM Mar 22, 2024Observed: 3.64 ft at 3:00PM Mar 22, 2024Observed: 3.63 ft at 4:00PM Mar 22, 2024Observed: 3.64 ft at 5:00PM Mar 22, 2024Observed: 3.65 ft at 6:00PM Mar 22, 2024Observed: 3.68 ft at 7:00PM Mar 22, 2024Observed: 3.67 ft at 8:00PM Mar 22, 2024Observed: 3.68 ft at 9:00PM Mar 22, 2024Observed: 3.66 ft at 10:00PM Mar 22, 2024Observed: 3.67 ft at 11:00PM Mar 22, 2024Observed: 3.68 ft at 12:00AM Mar 23, 2024Observed: 3.67 ft at 1:00AM Mar 23, 2024Observed: 3.67 ft at 2:00AM Mar 23, 2024Observed: 3.67 ft at 3:00AM Mar 23, 2024Observed: 3.67 ft at 4:00AM Mar 23, 2024Observed: 3.65 ft at 6:00AM Mar 23, 2024Observed: 3.67 ft at 7:00AM Mar 23, 2024Observed: 3.68 ft at 8:00AM Mar 23, 2024Observed: 3.66 ft at 9:00AM Mar 23, 2024Observed: 3.68 ft at 10:00AM Mar 23, 2024Observed: 3.66 ft at 11:00AM Mar 23, 2024Observed: 3.67 ft at 12:00PM Mar 23, 2024Observed: 3.67 ft at 1:00PM Mar 23, 2024Observed: 3.68 ft at 3:00PM Mar 23, 2024Observed: 3.67 ft at 4:00PM Mar 23, 2024Observed: 3.67 ft at 5:00PM Mar 23, 2024Observed: 3.68 ft at 6:00PM Mar 23, 2024Observed: 3.66 ft at 7:00PM Mar 23, 2024Observed: 3.67 ft at 8:00PM Mar 23, 2024Observed: 3.69 ft at 9:00PM Mar 23, 2024Observed: 3.68 ft at 10:00PM Mar 23, 2024Observed: 3.69 ft at 11:00PM Mar 23, 2024Observed: 3.68 ft at 12:00AM Mar 24, 2024Observed: 3.68 ft at 1:00AM Mar 24, 2024Observed: 3.67 ft at 2:00AM Mar 24, 2024Observed: 3.7 ft at 3:00AM Mar 24, 2024Observed: 3.69 ft at 4:00AM Mar 24, 2024Observed: 3.68 ft at 5:00AM Mar 24, 2024Observed: 3.68 ft at 6:00AM Mar 24, 2024Observed: 3.69 ft at 7:00AM Mar 24, 2024Observed: 3.71 ft at 8:00AM Mar 24, 2024Observed: 3.71 ft at 9:00AM Mar 24, 2024Observed: 3.76 ft at 10:00AM Mar 24, 2024Observed: 3.77 ft at 11:00AM Mar 24, 2024Observed: 3.77 ft at 12:00PM Mar 24, 2024Observed: 3.76 ft at 1:00PM Mar 24, 2024Observed: 3.79 ft at 2:00PM Mar 24, 2024Observed: 3.78 ft at 3:00PM Mar 24, 2024Observed: 3.78 ft at 4:00PM Mar 24, 2024Observed: 3.81 ft at 5:00PM Mar 24, 2024Observed: 3.83 ft at 6:00PM Mar 24, 2024Observed: 3.83 ft at 7:00PM Mar 24, 2024Observed: 3.83 ft at 8:00PM Mar 24, 2024Observed: 3.85 ft at 9:00PM Mar 24, 2024Observed: 3.88 ft at 10:00PM Mar 24, 2024Observed: 3.92 ft at 11:00PM Mar 24, 2024Observed: 4.02 ft at 12:00AM Mar 25, 2024Observed: 4.17 ft at 1:00AM Mar 25, 2024Observed: 4.25 ft at 2:00AM Mar 25, 2024Observed: 4.3 ft at 3:00AM Mar 25, 2024Observed: 4.44 ft at 4:00AM Mar 25, 2024Observed: 4.52 ft at 5:00AM Mar 25, 2024Observed: 4.61 ft at 6:00AM Mar 25, 2024Observed: 4.75 ft at 7:00AM Mar 25, 2024Observed: 4.84 ft at 8:00AM Mar 25, 2024Observed: 4.86 ft at 9:00AM Mar 25, 2024Observed: 4.86 ft at 10:00AM Mar 25, 2024Observed: 4.86 ft at 11:00AM Mar 25, 2024Observed: 4.91 ft at 12:00PM Mar 25, 2024Observed: 4.93 ft at 1:00PM Mar 25, 2024Observed: 4.91 ft at 2:00PM Mar 25, 2024Observed: 4.95 ft at 3:00PM Mar 25, 2024Observed: 4.96 ft at 4:00PM Mar 25, 2024Observed: 4.97 ft at 5:00PM Mar 25, 2024Observed: 5.02 ft at 6:00PM Mar 25, 2024Observed: 5.07 ft at 7:00PM Mar 25, 2024Observed: 5.1 ft at 8:00PM Mar 25, 2024Observed: 5.16 ft at 9:00PM Mar 25, 2024Observed: 5.21 ft at 10:00PM Mar 25, 2024Observed: 5.22 ft at 11:00PM Mar 25, 2024Observed: 5.27 ft at 12:00AM Mar 26, 2024Observed: 5.28 ft at 1:00AM Mar 26, 2024Observed: 5.28 ft at 2:00AM Mar 26, 2024Observed: 5.28 ft at 3:00AM Mar 26, 2024Highest Observation: 5.29 ft at 4:00AM Mar 26, 2024Observed: 5.27 ft at 5:00AM Mar 26, 2024Observed: 5.27 ft at 6:00AM Mar 26, 2024Observed: 5.26 ft at 7:00AM Mar 26, 2024Observed: 5.24 ft at 8:00AM Mar 26, 2024Observed: 5.23 ft at 9:00AM Mar 26, 2024Observed: 5.22 ft at 10:00AM Mar 26, 2024Observed: 5.18 ft at 11:00AM Mar 26, 2024Observed: 5.13 ft at 12:00PM Mar 26, 2024Observed: 5.15 ft at 1:00PM Mar 26, 2024Observed: 5.1 ft at 2:00PM Mar 26, 2024Observed: 5.13 ft at 3:00PM Mar 26, 2024Observed: 5.1 ft at 4:00PM Mar 26, 2024Observed: 5.09 ft at 5:00PM Mar 26, 2024Observed: 5.12 ft at 6:00PM Mar 26, 2024Observed: 5.1 ft at 7:00PM Mar 26, 2024Observed: 5.1 ft at 8:00PM Mar 26, 2024Observed: 5.07 ft at 9:00PM Mar 26, 2024Observed: 5.03 ft at 10:00PM Mar 26, 2024Observed: 5.04 ft at 11:00PM Mar 26, 2024Observed: 5 ft at 12:00AM Mar 27, 2024Observed: 5.01 ft at 1:00AM Mar 27, 2024Observed: 4.98 ft at 2:00AM Mar 27, 2024Observed: 4.96 ft at 3:00AM Mar 27, 2024Observed: 4.99 ft at 4:00AM Mar 27, 2024Observed: 4.97 ft at 5:00AM Mar 27, 2024Observed: 4.93 ft at 6:00AM Mar 27, 2024Observed: 4.91 ft at 7:00AM Mar 27, 2024Observed: 4.82 ft at 8:00AM Mar 27, 2024Observed: 4.73 ft at 9:00AM Mar 27, 2024Observed: 4.73 ft at 11:00AM Mar 27, 2024Observed: 4.67 ft at 12:00PM Mar 27, 2024Observed: 4.73 ft at 1:00PM Mar 27, 2024Observed: 4.76 ft at 2:00PM Mar 27, 2024Observed: 4.74 ft at 3:00PM Mar 27, 2024Observed: 4.69 ft at 4:00PM Mar 27, 2024Observed: 4.71 ft at 5:00PM Mar 27, 2024Observed: 4.75 ft at 6:00PM Mar 27, 2024Observed: 4.78 ft at 7:00PM Mar 27, 2024Observed: 4.78 ft at 8:00PM Mar 27, 2024Observed: 4.77 ft at 9:00PM Mar 27, 2024Observed: 4.77 ft at 10:00PM Mar 27, 2024Observed: 4.8 ft at 11:00PM Mar 27, 2024Observed: 4.8 ft at 12:00AM Mar 28, 2024Observed: 4.8 ft at 1:00AM Mar 28, 2024Observed: 4.78 ft at 2:00AM Mar 28, 2024Observed: 4.77 ft at 3:00AM Mar 28, 2024Observed: 4.76 ft at 4:00AM Mar 28, 2024Observed: 4.73 ft at 5:00AM Mar 28, 2024Observed: 4.73 ft at 6:00AM Mar 28, 2024Observed: 4.71 ft at 7:00AM Mar 28, 2024Observed: 4.68 ft at 8:00AM Mar 28, 2024Observed: 4.6 ft at 9:00AM Mar 28, 2024Observed: 4.55 ft at 10:00AM Mar 28, 2024Observed: 4.54 ft at 11:00AM Mar 28, 2024Observed: 4.63 ft at 12:00PM Mar 28, 2024Observed: 4.61 ft at 1:00PM Mar 28, 2024Observed: 4.6 ft at 2:00PM Mar 28, 2024Observed: 4.61 ft at 3:00PM Mar 28, 2024Observed: 4.53 ft at 4:00PM Mar 28, 2024Observed: 4.57 ft at 5:00PM Mar 28, 2024Observed: 4.58 ft at 6:00PM Mar 28, 2024Observed: 4.6 ft at 7:00PM Mar 28, 2024Observed: 4.61 ft at 8:00PM Mar 28, 2024Observed: 4.63 ft at 9:00PM Mar 28, 2024Observed: 4.62 ft at 10:00PM Mar 28, 2024Observed: 4.62 ft at 11:00PM Mar 28, 2024Observed: 4.6 ft at 12:00AM Mar 29, 2024Observed: 4.62 ft at 1:00AM Mar 29, 2024Observed: 4.62 ft at 2:00AM Mar 29, 2024Observed: 4.59 ft at 3:00AM Mar 29, 2024Iowa Flood CenterSTUI4(plotting HGIR5) Graph Created (4:34AM Mar 29, 2024)ObservedLatest observed value: 4.59 ft at 3:00 AM CDT 29-Mar-2024. Flood Stage is 14 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 48 hours into the future from the forecast issuance time.

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts for the Floyd River near Struble are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Alton Upstream Gauge Downstream Gauge Downstream Gauge - at Le Mars
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 15
Flood Stage: 14
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 16.41 ft on 03/14/2019
(2) 16.24 ft on 09/21/2018
(3) 15.86 ft on 07/30/2010
(4) 15.86 ft on 03/04/1994
(5) 15.86 ft on 06/20/1983
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.66 ft on 08/06/2023
(2) 6.14 ft on 04/01/2020
(3) 9.16 ft on 10/02/2019
(4) 16.41 ft on 03/14/2019
(5) 16.24 ft on 09/21/2018
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
22.5 water reaches the sensor feed-horn on the IFC gage
16 county roads begin to flood.
14 flooding of a significant amount of agricultural lands begins.
12 minor flooding of the lowest lying agricultural areas upstream of the gage begins.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 42.923879° N, Longitude: 96.176967° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 14 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 1239.4 ft 1253.4 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:

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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 2-Nov-2020 7:29 PM
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