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Hydrograph River at a Glance Download
Elm River near Westport Stage (ft)Flow (cfs)Highest Observation: 5.18 ft at 2:15AM Apr 22, 2024Highest Observation: 5.18 ft at 2:30AM Apr 22, 2024Highest Observation: 5.18 ft at 2:45AM Apr 22, 2024Highest Observation: 5.18 ft at 3:00AM Apr 22, 2024Highest Observation: 5.18 ft at 3:15AM Apr 22, 2024Highest Observation: 5.18 ft at 3:30AM Apr 22, 2024Highest Observation: 5.18 ft at 3:45AM Apr 22, 2024Observed: 5.17 ft at 4:00AM Apr 22, 2024Observed: 5.17 ft at 4:15AM Apr 22, 2024Observed: 5.17 ft at 4:30AM Apr 22, 2024Observed: 5.17 ft at 4:45AM Apr 22, 2024Observed: 5.17 ft at 5:00AM Apr 22, 2024Observed: 5.17 ft at 5:15AM Apr 22, 2024Observed: 5.17 ft at 5:30AM Apr 22, 2024Observed: 5.17 ft at 5:45AM Apr 22, 2024Observed: 5.17 ft at 6:00AM Apr 22, 2024Observed: 5.17 ft at 6:15AM Apr 22, 2024Observed: 5.17 ft at 6:30AM Apr 22, 2024Observed: 5.17 ft at 6:45AM Apr 22, 2024Observed: 5.17 ft at 7:00AM Apr 22, 2024Observed: 5.17 ft at 7:15AM Apr 22, 2024Observed: 5.17 ft at 7:30AM Apr 22, 2024Observed: 5.16 ft at 7:45AM Apr 22, 2024Observed: 5.17 ft at 8:00AM Apr 22, 2024Observed: 5.16 ft at 8:15AM Apr 22, 2024Observed: 5.16 ft at 8:30AM Apr 22, 2024Observed: 5.16 ft at 8:45AM Apr 22, 2024Observed: 5.17 ft at 9:00AM Apr 22, 2024Observed: 5.16 ft at 9:15AM Apr 22, 2024Observed: 5.16 ft at 9:30AM Apr 22, 2024Observed: 5.16 ft at 9:45AM Apr 22, 2024Observed: 5.16 ft at 10:00AM Apr 22, 2024Observed: 5.16 ft at 10:15AM Apr 22, 2024Observed: 5.16 ft at 10:30AM Apr 22, 2024Observed: 5.16 ft at 10:45AM Apr 22, 2024Observed: 5.16 ft at 11:00AM Apr 22, 2024Observed: 5.16 ft at 11:15AM Apr 22, 2024Observed: 5.16 ft at 11:30AM Apr 22, 2024Observed: 5.16 ft at 11:45AM Apr 22, 2024Observed: 5.17 ft at 12:00PM Apr 22, 2024Observed: 5.16 ft at 12:15PM Apr 22, 2024Observed: 5.16 ft at 12:30PM Apr 22, 2024Observed: 5.16 ft at 12:45PM Apr 22, 2024Observed: 5.16 ft at 1:00PM Apr 22, 2024Observed: 5.16 ft at 1:15PM Apr 22, 2024Observed: 5.15 ft at 1:30PM Apr 22, 2024Observed: 5.16 ft at 1:45PM Apr 22, 2024Observed: 5.16 ft at 2:00PM Apr 22, 2024Observed: 5.16 ft at 2:15PM Apr 22, 2024Observed: 5.16 ft at 2:30PM Apr 22, 2024Observed: 5.16 ft at 2:45PM Apr 22, 2024Observed: 5.16 ft at 3:00PM Apr 22, 2024Observed: 5.16 ft at 3:15PM Apr 22, 2024Observed: 5.17 ft at 3:30PM Apr 22, 2024Observed: 5.16 ft at 3:45PM Apr 22, 2024Observed: 5.16 ft at 4:00PM Apr 22, 2024Observed: 5.16 ft at 4:15PM Apr 22, 2024Observed: 5.15 ft at 4:30PM Apr 22, 2024Observed: 5.16 ft at 4:45PM Apr 22, 2024Observed: 5.15 ft at 5:00PM Apr 22, 2024Observed: 5.16 ft at 5:15PM Apr 22, 2024Observed: 5.16 ft at 5:30PM Apr 22, 2024Observed: 5.16 ft at 5:45PM Apr 22, 2024Observed: 5.15 ft at 6:00PM Apr 22, 2024Observed: 5.15 ft at 6:15PM Apr 22, 2024Observed: 5.15 ft at 6:30PM Apr 22, 2024Observed: 5.15 ft at 6:45PM Apr 22, 2024Observed: 5.15 ft at 7:00PM Apr 22, 2024Observed: 5.15 ft at 7:15PM Apr 22, 2024Observed: 5.14 ft at 7:30PM Apr 22, 2024Observed: 5.14 ft at 7:45PM Apr 22, 2024Observed: 5.14 ft at 8:00PM Apr 22, 2024Observed: 5.14 ft at 8:15PM Apr 22, 2024Observed: 5.14 ft at 8:30PM Apr 22, 2024Observed: 5.14 ft at 8:45PM Apr 22, 2024Observed: 5.14 ft at 9:00PM Apr 22, 2024Observed: 5.14 ft at 9:15PM Apr 22, 2024Observed: 5.14 ft at 9:30PM Apr 22, 2024Observed: 5.14 ft at 9:45PM Apr 22, 2024Observed: 5.14 ft at 10:00PM Apr 22, 2024Observed: 5.14 ft at 10:15PM Apr 22, 2024Observed: 5.14 ft at 10:30PM Apr 22, 2024Observed: 5.14 ft at 10:45PM Apr 22, 2024Observed: 5.13 ft at 11:00PM Apr 22, 2024Observed: 5.13 ft at 11:15PM Apr 22, 2024Observed: 5.14 ft at 11:30PM Apr 22, 2024Observed: 5.13 ft at 11:45PM Apr 22, 2024Observed: 5.14 ft at 12:00AM Apr 23, 2024Observed: 5.13 ft at 12:15AM Apr 23, 2024Observed: 5.13 ft at 12:30AM Apr 23, 2024Observed: 5.14 ft at 12:45AM Apr 23, 2024Observed: 5.13 ft at 1:00AM Apr 23, 2024Observed: 5.13 ft at 1:15AM Apr 23, 2024Observed: 5.13 ft at 1:30AM Apr 23, 2024Observed: 5.13 ft at 1:45AM Apr 23, 2024Observed: 5.13 ft at 2:00AM Apr 23, 2024Observed: 5.14 ft at 2:15AM Apr 23, 2024Observed: 5.13 ft at 2:30AM Apr 23, 2024Observed: 5.14 ft at 2:45AM Apr 23, 2024Observed: 5.13 ft at 3:00AM Apr 23, 2024Observed: 5.13 ft at 3:15AM Apr 23, 2024Observed: 5.13 ft at 3:30AM Apr 23, 2024Observed: 5.13 ft at 3:45AM Apr 23, 2024Observed: 5.13 ft at 4:00AM Apr 23, 2024Observed: 5.13 ft at 4:15AM Apr 23, 2024Observed: 5.13 ft at 4:30AM Apr 23, 2024Observed: 5.14 ft at 4:45AM Apr 23, 2024Observed: 5.13 ft at 5:00AM Apr 23, 2024Observed: 5.13 ft at 5:15AM Apr 23, 2024Observed: 5.13 ft at 5:30AM Apr 23, 2024Observed: 5.13 ft at 5:45AM Apr 23, 2024Observed: 5.13 ft at 6:00AM Apr 23, 2024Observed: 5.13 ft at 6:15AM Apr 23, 2024Observed: 5.13 ft at 6:30AM Apr 23, 2024Observed: 5.13 ft at 6:45AM Apr 23, 2024Observed: 5.13 ft at 7:00AM Apr 23, 2024Observed: 5.13 ft at 7:15AM Apr 23, 2024Observed: 5.13 ft at 7:30AM Apr 23, 2024Observed: 5.13 ft at 7:45AM Apr 23, 2024Observed: 5.13 ft at 8:00AM Apr 23, 2024Observed: 5.13 ft at 8:15AM Apr 23, 2024Observed: 5.13 ft at 8:30AM Apr 23, 2024Observed: 5.13 ft at 8:45AM Apr 23, 2024Observed: 5.13 ft at 9:00AM Apr 23, 2024Observed: 5.13 ft at 9:15AM Apr 23, 2024Observed: 5.13 ft at 9:30AM Apr 23, 2024Observed: 5.13 ft at 9:45AM Apr 23, 2024Observed: 5.13 ft at 10:00AM Apr 23, 2024Observed: 5.13 ft at 10:15AM Apr 23, 2024Observed: 5.13 ft at 10:30AM Apr 23, 2024Observed: 5.12 ft at 10:45AM Apr 23, 2024Observed: 5.13 ft at 11:00AM Apr 23, 2024Observed: 5.13 ft at 11:15AM Apr 23, 2024Observed: 5.14 ft at 11:30AM Apr 23, 2024Observed: 5.13 ft at 11:45AM Apr 23, 2024Observed: 5.11 ft at 12:00PM Apr 23, 2024Observed: 5.12 ft at 12:15PM Apr 23, 2024Observed: 5.12 ft at 12:30PM Apr 23, 2024Observed: 5.12 ft at 12:45PM Apr 23, 2024Observed: 5.12 ft at 1:00PM Apr 23, 2024Observed: 5.12 ft at 1:15PM Apr 23, 2024Observed: 5.11 ft at 1:30PM Apr 23, 2024Observed: 5.11 ft at 1:45PM Apr 23, 2024Observed: 5.1 ft at 2:00PM Apr 23, 2024Observed: 5.12 ft at 2:15PM Apr 23, 2024Observed: 5.1 ft at 2:30PM Apr 23, 2024Observed: 5.1 ft at 2:45PM Apr 23, 2024Observed: 5.1 ft at 3:00PM Apr 23, 2024Observed: 5.1 ft at 3:15PM Apr 23, 2024Observed: 5.1 ft at 3:30PM Apr 23, 2024Observed: 5.11 ft at 3:45PM Apr 23, 2024Observed: 5.1 ft at 4:00PM Apr 23, 2024Observed: 5.1 ft at 4:15PM Apr 23, 2024Observed: 5.09 ft at 4:30PM Apr 23, 2024Observed: 5.09 ft at 4:45PM Apr 23, 2024Observed: 5.1 ft at 5:00PM Apr 23, 2024Observed: 5.1 ft at 5:15PM Apr 23, 2024Observed: 5.09 ft at 5:30PM Apr 23, 2024Observed: 5.1 ft at 5:45PM Apr 23, 2024Observed: 5.09 ft at 6:00PM Apr 23, 2024Observed: 5.09 ft at 6:15PM Apr 23, 2024Observed: 5.09 ft at 6:30PM Apr 23, 2024Observed: 5.09 ft at 6:45PM Apr 23, 2024Observed: 5.09 ft at 7:00PM Apr 23, 2024Observed: 5.08 ft at 7:15PM Apr 23, 2024Observed: 5.09 ft at 7:30PM Apr 23, 2024Observed: 5.09 ft at 7:45PM Apr 23, 2024Observed: 5.09 ft at 8:00PM Apr 23, 2024Observed: 5.09 ft at 8:15PM Apr 23, 2024Observed: 5.09 ft at 8:30PM Apr 23, 2024Observed: 5.09 ft at 8:45PM Apr 23, 2024Observed: 5.08 ft at 9:00PM Apr 23, 2024Observed: 5.08 ft at 9:15PM Apr 23, 2024Observed: 5.08 ft at 9:30PM Apr 23, 2024Observed: 5.08 ft at 9:45PM Apr 23, 2024Observed: 5.08 ft at 10:00PM Apr 23, 2024Observed: 5.08 ft at 10:15PM Apr 23, 2024Observed: 5.08 ft at 10:30PM Apr 23, 2024Observed: 5.08 ft at 10:45PM Apr 23, 2024Observed: 5.08 ft at 11:00PM Apr 23, 2024Observed: 5.08 ft at 11:15PM Apr 23, 2024Observed: 5.08 ft at 11:30PM Apr 23, 2024Observed: 5.08 ft at 11:45PM Apr 23, 2024Observed: 5.08 ft at 12:00AM Apr 24, 2024Observed: 5.08 ft at 12:15AM Apr 24, 2024Observed: 5.08 ft at 12:30AM Apr 24, 2024Observed: 5.08 ft at 12:45AM Apr 24, 2024Observed: 5.08 ft at 1:00AM Apr 24, 2024Observed: 5.08 ft at 1:15AM Apr 24, 2024Observed: 5.08 ft at 1:30AM Apr 24, 2024Observed: 5.08 ft at 1:45AM Apr 24, 2024Observed: 5.08 ft at 2:00AM Apr 24, 2024Observed: 5.08 ft at 2:15AM Apr 24, 2024Observed: 5.08 ft at 2:30AM Apr 24, 2024Observed: 5.08 ft at 2:45AM Apr 24, 2024Observed: 5.08 ft at 3:00AM Apr 24, 2024Observed: 5.08 ft at 3:15AM Apr 24, 2024Observed: 5.08 ft at 3:30AM Apr 24, 2024Observed: 5.08 ft at 3:45AM Apr 24, 2024Observed: 5.09 ft at 4:00AM Apr 24, 2024Observed: 5.09 ft at 4:15AM Apr 24, 2024Observed: 5.09 ft at 4:30AM Apr 24, 2024Observed: 5.09 ft at 4:45AM Apr 24, 2024Observed: 5.09 ft at 5:00AM Apr 24, 2024Observed: 5.09 ft at 5:15AM Apr 24, 2024Observed: 5.09 ft at 5:30AM Apr 24, 2024Observed: 5.09 ft at 5:45AM Apr 24, 2024Observed: 5.09 ft at 6:00AM Apr 24, 2024Observed: 5.09 ft at 6:15AM Apr 24, 2024Observed: 5.09 ft at 6:30AM Apr 24, 2024Observed: 5.09 ft at 6:45AM Apr 24, 2024Observed: 5.1 ft at 7:00AM Apr 24, 2024Observed: 5.1 ft at 7:15AM Apr 24, 2024Observed: 5.1 ft at 7:30AM Apr 24, 2024Observed: 5.1 ft at 7:45AM Apr 24, 2024Observed: 5.1 ft at 8:00AM Apr 24, 2024Observed: 5.1 ft at 8:15AM Apr 24, 2024Observed: 5.1 ft at 8:30AM Apr 24, 2024Observed: 5.1 ft at 8:45AM Apr 24, 2024Observed: 5.1 ft at 9:00AM Apr 24, 2024Observed: 5.1 ft at 9:15AM Apr 24, 2024Observed: 5.11 ft at 9:30AM Apr 24, 2024Observed: 5.11 ft at 9:45AM Apr 24, 2024Observed: 5.1 ft at 10:00AM Apr 24, 2024Observed: 5.11 ft at 10:15AM Apr 24, 2024Observed: 5.11 ft at 10:30AM Apr 24, 2024Observed: 5.11 ft at 10:45AM Apr 24, 2024Observed: 5.1 ft at 11:00AM Apr 24, 2024Observed: 5.11 ft at 11:15AM Apr 24, 2024Observed: 5.11 ft at 11:30AM Apr 24, 2024Observed: 5.1 ft at 11:45AM Apr 24, 2024Observed: 5.11 ft at 12:00PM Apr 24, 2024Observed: 5.1 ft at 12:15PM Apr 24, 2024Observed: 5.1 ft at 12:30PM Apr 24, 2024Observed: 5.1 ft at 12:45PM Apr 24, 2024Observed: 5.1 ft at 1:00PM Apr 24, 2024Observed: 5.1 ft at 1:15PM Apr 24, 2024Observed: 5.1 ft at 1:30PM Apr 24, 2024Observed: 5.09 ft at 1:45PM Apr 24, 2024Observed: 5.1 ft at 2:00PM Apr 24, 2024Observed: 5.09 ft at 2:15PM Apr 24, 2024Observed: 5.1 ft at 2:30PM Apr 24, 2024Observed: 5.09 ft at 2:45PM Apr 24, 2024Observed: 5.09 ft at 3:00PM Apr 24, 2024Observed: 5.09 ft at 3:15PM Apr 24, 2024Observed: 5.09 ft at 3:30PM Apr 24, 2024Observed: 5.09 ft at 3:45PM Apr 24, 2024Observed: 5.09 ft at 4:00PM Apr 24, 2024Observed: 5.09 ft at 4:15PM Apr 24, 2024Observed: 5.09 ft at 4:30PM Apr 24, 2024Observed: 5.08 ft at 4:45PM Apr 24, 2024Observed: 5.09 ft at 5:00PM Apr 24, 2024Observed: 5.09 ft at 5:15PM Apr 24, 2024Observed: 5.09 ft at 5:30PM Apr 24, 2024Observed: 5.08 ft at 5:45PM Apr 24, 2024Observed: 5.08 ft at 6:00PM Apr 24, 2024Observed: 5.08 ft at 6:15PM Apr 24, 2024Observed: 5.08 ft at 6:30PM Apr 24, 2024Observed: 5.08 ft at 6:45PM Apr 24, 2024Observed: 5.08 ft at 7:00PM Apr 24, 2024Observed: 5.08 ft at 7:15PM Apr 24, 2024Observed: 5.08 ft at 7:30PM Apr 24, 2024Observed: 5.07 ft at 7:45PM Apr 24, 2024Observed: 5.08 ft at 8:00PM Apr 24, 2024Observed: 5.07 ft at 8:15PM Apr 24, 2024Observed: 5.08 ft at 8:30PM Apr 24, 2024Observed: 5.08 ft at 8:45PM Apr 24, 2024Observed: 5.08 ft at 9:00PM Apr 24, 2024Observed: 5.07 ft at 9:15PM Apr 24, 2024Observed: 5.07 ft at 9:30PM Apr 24, 2024Observed: 5.08 ft at 9:45PM Apr 24, 2024Observed: 5.07 ft at 10:00PM Apr 24, 2024Observed: 5.08 ft at 10:15PM Apr 24, 2024Observed: 5.07 ft at 10:30PM Apr 24, 2024Observed: 5.08 ft at 10:45PM Apr 24, 2024Observed: 5.08 ft at 11:00PM Apr 24, 2024Observed: 5.07 ft at 11:15PM Apr 24, 2024Observed: 5.08 ft at 11:30PM Apr 24, 2024Observed: 5.07 ft at 11:45PM Apr 24, 2024Observed: 5.07 ft at 12:00AM Apr 25, 2024Observed: 5.08 ft at 12:15AM Apr 25, 2024Observed: 5.07 ft at 12:30AM Apr 25, 2024Observed: 5.08 ft at 12:45AM Apr 25, 2024Observed: 5.07 ft at 1:00AM Apr 25, 2024USGS--Water Resources of the United StatesWESS2(plotting HGIRG) Graph Created (2:00AM Apr 25, 2024)ObservedLatest observed value: 5.07 ft at 1:00 AM CDT 25-Apr-2024. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
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 Elm River near Westport are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Frederick Upstream Gauge Downstream Gauge Downstream Gauge - at Ordway
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 16
Flood Stage: 14
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 22.63 ft on 03/25/2009
(2) 22.11 ft on 04/10/1969
(3) 21.56 ft on 03/30/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.39 ft on 05/04/2022
(2) 5.49 ft on 10/10/2021
(3) 20.45 ft on 07/27/2020
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 The bridge 2 miles south and 1 mile east of Westport will be overtopped
22 Large portions of Westport will have water 2 to 3 feet deep
21 The bridge on Brown County Road 10a is overtopped
20.5 The water will reach the bottom of the bridge 2 miles south and 1 mile east of Westport. The bridge east of Westport will be overtopped
19 The community of Westport begins to flood
18.5 The water will reach the bottom of the bridge east of Westport
17.5 Water reaches the bottom of the bridge north of Westport
16 Several gravel roads along the river begin to flood
14.5 The bridge northwest of Kruse Dam will be overtopped
14 The county road east of Westport becomes impassable
12.5 The water will reach the bottom of the bridge north of Kruse Dam
About This Location Collapse

Latitude: 45.656111° N, Longitude: 98.496667° 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 1310.04 1324.04 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  

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
Aberdeen Weather Forecast Office
824 Brown County 14 South
Aberdeen, SD 57401
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