Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
     Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 
Hydrograph River at a Glance Download
Willow Creek near Watertown Stage (ft)Observed: 6.42 ft at 5:00AM Oct 13, 2021Observed: 6.43 ft at 5:15AM Oct 13, 2021Observed: 6.43 ft at 5:30AM Oct 13, 2021Observed: 6.43 ft at 5:45AM Oct 13, 2021Observed: 6.41 ft at 6:00AM Oct 13, 2021Observed: 6.42 ft at 6:15AM Oct 13, 2021Observed: 6.42 ft at 6:30AM Oct 13, 2021Observed: 6.42 ft at 6:45AM Oct 13, 2021Observed: 6.43 ft at 7:00AM Oct 13, 2021Observed: 6.43 ft at 7:15AM Oct 13, 2021Observed: 6.42 ft at 7:30AM Oct 13, 2021Observed: 6.42 ft at 7:45AM Oct 13, 2021Observed: 6.43 ft at 8:00AM Oct 13, 2021Observed: 6.42 ft at 8:15AM Oct 13, 2021Observed: 6.42 ft at 8:30AM Oct 13, 2021Observed: 6.41 ft at 8:45AM Oct 13, 2021Observed: 6.41 ft at 9:00AM Oct 13, 2021Observed: 6.41 ft at 9:15AM Oct 13, 2021Observed: 6.42 ft at 9:30AM Oct 13, 2021Observed: 6.42 ft at 9:45AM Oct 13, 2021Observed: 6.42 ft at 10:00AM Oct 13, 2021Observed: 6.43 ft at 10:15AM Oct 13, 2021Observed: 6.43 ft at 10:30AM Oct 13, 2021Observed: 6.42 ft at 10:45AM Oct 13, 2021Observed: 6.42 ft at 10:46AM Oct 13, 2021Observed: 6.43 ft at 11:00AM Oct 13, 2021Observed: 6.43 ft at 11:01AM Oct 13, 2021Observed: 6.42 ft at 11:15AM Oct 13, 2021Observed: 6.42 ft at 11:16AM Oct 13, 2021Observed: 6.42 ft at 11:30AM Oct 13, 2021Observed: 6.42 ft at 11:45AM Oct 13, 2021Observed: 6.42 ft at 12:00PM Oct 13, 2021Observed: 6.42 ft at 12:15PM Oct 13, 2021Observed: 6.43 ft at 12:30PM Oct 13, 2021Observed: 6.43 ft at 12:45PM Oct 13, 2021Observed: 6.43 ft at 1:00PM Oct 13, 2021Observed: 6.43 ft at 1:15PM Oct 13, 2021Observed: 6.43 ft at 1:30PM Oct 13, 2021Observed: 6.44 ft at 1:45PM Oct 13, 2021Observed: 6.43 ft at 2:00PM Oct 13, 2021Observed: 6.45 ft at 2:15PM Oct 13, 2021Observed: 6.44 ft at 2:30PM Oct 13, 2021Observed: 6.46 ft at 2:45PM Oct 13, 2021Observed: 6.45 ft at 3:00PM Oct 13, 2021Observed: 6.44 ft at 3:15PM Oct 13, 2021Observed: 6.44 ft at 3:30PM Oct 13, 2021Observed: 6.45 ft at 3:45PM Oct 13, 2021Observed: 6.45 ft at 4:00PM Oct 13, 2021Observed: 6.46 ft at 4:15PM Oct 13, 2021Observed: 6.46 ft at 4:30PM Oct 13, 2021Observed: 6.46 ft at 4:45PM Oct 13, 2021Observed: 6.47 ft at 5:00PM Oct 13, 2021Observed: 6.48 ft at 5:15PM Oct 13, 2021Observed: 6.47 ft at 5:30PM Oct 13, 2021Observed: 6.47 ft at 5:45PM Oct 13, 2021Observed: 6.48 ft at 6:00PM Oct 13, 2021Observed: 6.49 ft at 6:15PM Oct 13, 2021Observed: 6.49 ft at 6:30PM Oct 13, 2021Observed: 6.49 ft at 6:45PM Oct 13, 2021Observed: 6.49 ft at 6:46PM Oct 13, 2021Observed: 6.49 ft at 7:00PM Oct 13, 2021Observed: 6.49 ft at 7:01PM Oct 13, 2021Observed: 6.49 ft at 7:15PM Oct 13, 2021Observed: 6.49 ft at 7:16PM Oct 13, 2021Observed: 6.5 ft at 7:30PM Oct 13, 2021Observed: 6.5 ft at 7:45PM Oct 13, 2021Observed: 6.51 ft at 8:00PM Oct 13, 2021Observed: 6.51 ft at 8:15PM Oct 13, 2021Observed: 6.52 ft at 8:30PM Oct 13, 2021Observed: 6.52 ft at 8:45PM Oct 13, 2021Observed: 6.53 ft at 9:00PM Oct 13, 2021Observed: 6.54 ft at 9:15PM Oct 13, 2021Observed: 6.54 ft at 9:30PM Oct 13, 2021Observed: 6.55 ft at 9:45PM Oct 13, 2021Observed: 6.56 ft at 10:00PM Oct 13, 2021Observed: 6.57 ft at 10:15PM Oct 13, 2021Observed: 6.56 ft at 10:30PM Oct 13, 2021Observed: 6.58 ft at 10:45PM Oct 13, 2021Observed: 6.57 ft at 11:00PM Oct 13, 2021Observed: 6.58 ft at 11:15PM Oct 13, 2021Observed: 6.59 ft at 11:30PM Oct 13, 2021Observed: 6.6 ft at 11:45PM Oct 13, 2021Observed: 6.59 ft at 12:00AM Oct 14, 2021Observed: 6.6 ft at 12:15AM Oct 14, 2021Observed: 6.61 ft at 12:30AM Oct 14, 2021Observed: 6.61 ft at 12:45AM Oct 14, 2021Observed: 6.62 ft at 1:00AM Oct 14, 2021Observed: 6.62 ft at 1:15AM Oct 14, 2021Observed: 6.63 ft at 1:30AM Oct 14, 2021Observed: 6.64 ft at 1:45AM Oct 14, 2021Observed: 6.65 ft at 2:00AM Oct 14, 2021Observed: 6.65 ft at 2:15AM Oct 14, 2021Observed: 6.66 ft at 2:30AM Oct 14, 2021Observed: 6.68 ft at 2:45AM Oct 14, 2021Observed: 6.69 ft at 3:00AM Oct 14, 2021Observed: 6.69 ft at 3:15AM Oct 14, 2021Observed: 6.7 ft at 3:30AM Oct 14, 2021Observed: 6.71 ft at 3:45AM Oct 14, 2021Observed: 6.71 ft at 4:00AM Oct 14, 2021Observed: 6.73 ft at 4:15AM Oct 14, 2021Observed: 6.73 ft at 4:30AM Oct 14, 2021Observed: 6.74 ft at 4:45AM Oct 14, 2021Observed: 6.75 ft at 5:00AM Oct 14, 2021Observed: 6.76 ft at 5:15AM Oct 14, 2021Observed: 6.77 ft at 5:30AM Oct 14, 2021Observed: 6.76 ft at 5:45AM Oct 14, 2021Observed: 6.76 ft at 6:00AM Oct 14, 2021Observed: 6.79 ft at 6:15AM Oct 14, 2021Observed: 6.78 ft at 6:30AM Oct 14, 2021Observed: 6.79 ft at 6:45AM Oct 14, 2021Observed: 6.79 ft at 7:00AM Oct 14, 2021Observed: 6.8 ft at 7:15AM Oct 14, 2021Observed: 6.81 ft at 7:30AM Oct 14, 2021Observed: 6.8 ft at 7:45AM Oct 14, 2021Observed: 6.8 ft at 8:00AM Oct 14, 2021Observed: 6.8 ft at 8:15AM Oct 14, 2021Observed: 6.81 ft at 8:30AM Oct 14, 2021Observed: 6.81 ft at 8:45AM Oct 14, 2021Observed: 6.82 ft at 9:00AM Oct 14, 2021Observed: 6.82 ft at 9:15AM Oct 14, 2021Observed: 6.82 ft at 9:30AM Oct 14, 2021Observed: 6.83 ft at 9:45AM Oct 14, 2021Observed: 6.84 ft at 10:00AM Oct 14, 2021Observed: 6.83 ft at 10:46AM Oct 14, 2021Observed: 6.83 ft at 11:01AM Oct 14, 2021Observed: 6.84 ft at 11:15AM Oct 14, 2021Observed: 6.84 ft at 11:16AM Oct 14, 2021Observed: 6.83 ft at 11:30AM Oct 14, 2021Observed: 6.83 ft at 11:45AM Oct 14, 2021Observed: 6.83 ft at 12:00PM Oct 14, 2021Observed: 6.83 ft at 12:15PM Oct 14, 2021Highest Observation: 6.85 ft at 12:30PM Oct 14, 2021Observed: 6.84 ft at 12:45PM Oct 14, 2021Observed: 6.84 ft at 1:00PM Oct 14, 2021Observed: 6.84 ft at 1:15PM Oct 14, 2021Observed: 6.84 ft at 1:30PM Oct 14, 2021Observed: 6.84 ft at 1:45PM Oct 14, 2021Observed: 6.83 ft at 2:00PM Oct 14, 2021Observed: 6.83 ft at 2:15PM Oct 14, 2021Observed: 6.84 ft at 2:30PM Oct 14, 2021Observed: 6.84 ft at 2:45PM Oct 14, 2021Observed: 6.84 ft at 3:00PM Oct 14, 2021Observed: 6.84 ft at 3:15PM Oct 14, 2021Observed: 6.84 ft at 3:30PM Oct 14, 2021Observed: 6.83 ft at 3:45PM Oct 14, 2021Highest Observation: 6.85 ft at 4:00PM Oct 14, 2021Observed: 6.83 ft at 4:15PM Oct 14, 2021Observed: 6.83 ft at 4:30PM Oct 14, 2021Observed: 6.82 ft at 4:45PM Oct 14, 2021Observed: 6.82 ft at 5:00PM Oct 14, 2021Observed: 6.82 ft at 5:15PM Oct 14, 2021Observed: 6.82 ft at 5:30PM Oct 14, 2021Observed: 6.81 ft at 5:45PM Oct 14, 2021Observed: 6.81 ft at 6:00PM Oct 14, 2021Observed: 6.81 ft at 6:15PM Oct 14, 2021Observed: 6.79 ft at 6:30PM Oct 14, 2021Observed: 6.79 ft at 6:45PM Oct 14, 2021Observed: 6.79 ft at 6:46PM Oct 14, 2021Observed: 6.78 ft at 7:00PM Oct 14, 2021Observed: 6.78 ft at 7:01PM Oct 14, 2021Observed: 6.78 ft at 7:15PM Oct 14, 2021Observed: 6.78 ft at 7:16PM Oct 14, 2021Observed: 6.78 ft at 7:30PM Oct 14, 2021Observed: 6.77 ft at 7:45PM Oct 14, 2021Observed: 6.77 ft at 8:00PM Oct 14, 2021Observed: 6.77 ft at 8:15PM Oct 14, 2021Observed: 6.76 ft at 8:30PM Oct 14, 2021Observed: 6.74 ft at 8:45PM Oct 14, 2021Observed: 6.75 ft at 9:00PM Oct 14, 2021Observed: 6.74 ft at 9:15PM Oct 14, 2021Observed: 6.74 ft at 9:30PM Oct 14, 2021Observed: 6.73 ft at 9:45PM Oct 14, 2021Observed: 6.72 ft at 10:00PM Oct 14, 2021Observed: 6.71 ft at 10:15PM Oct 14, 2021Observed: 6.71 ft at 10:30PM Oct 14, 2021Observed: 6.71 ft at 10:45PM Oct 14, 2021Observed: 6.7 ft at 11:00PM Oct 14, 2021Observed: 6.7 ft at 11:15PM Oct 14, 2021Observed: 6.69 ft at 11:30PM Oct 14, 2021Observed: 6.68 ft at 11:45PM Oct 14, 2021Observed: 6.68 ft at 12:00AM Oct 15, 2021Observed: 6.67 ft at 12:15AM Oct 15, 2021Observed: 6.67 ft at 12:30AM Oct 15, 2021Observed: 6.65 ft at 12:45AM Oct 15, 2021Observed: 6.65 ft at 1:00AM Oct 15, 2021Observed: 6.65 ft at 1:15AM Oct 15, 2021Observed: 6.64 ft at 1:30AM Oct 15, 2021Observed: 6.63 ft at 1:45AM Oct 15, 2021Observed: 6.64 ft at 2:00AM Oct 15, 2021Observed: 6.64 ft at 2:15AM Oct 15, 2021Observed: 6.62 ft at 2:30AM Oct 15, 2021Observed: 6.62 ft at 2:45AM Oct 15, 2021Observed: 6.62 ft at 3:00AM Oct 15, 2021Observed: 6.62 ft at 3:01AM Oct 15, 2021Observed: 6.62 ft at 3:15AM Oct 15, 2021Observed: 6.62 ft at 3:16AM Oct 15, 2021Observed: 6.61 ft at 3:30AM Oct 15, 2021Observed: 6.61 ft at 3:31AM Oct 15, 2021Observed: 6.6 ft at 3:45AM Oct 15, 2021Observed: 6.6 ft at 4:00AM Oct 15, 2021Observed: 6.6 ft at 4:15AM Oct 15, 2021Observed: 6.59 ft at 4:30AM Oct 15, 2021Observed: 6.58 ft at 4:45AM Oct 15, 2021Observed: 6.59 ft at 5:00AM Oct 15, 2021Observed: 6.58 ft at 5:15AM Oct 15, 2021Observed: 6.57 ft at 5:30AM Oct 15, 2021Observed: 6.57 ft at 5:45AM Oct 15, 2021Observed: 6.57 ft at 6:00AM Oct 15, 2021Observed: 6.57 ft at 6:15AM Oct 15, 2021Observed: 6.55 ft at 6:30AM Oct 15, 2021Observed: 6.55 ft at 6:45AM Oct 15, 2021Observed: 6.55 ft at 7:00AM Oct 15, 2021Observed: 6.54 ft at 7:15AM Oct 15, 2021Observed: 6.54 ft at 7:30AM Oct 15, 2021Observed: 6.54 ft at 7:45AM Oct 15, 2021Observed: 6.54 ft at 8:00AM Oct 15, 2021Observed: 6.53 ft at 8:15AM Oct 15, 2021Observed: 6.53 ft at 8:30AM Oct 15, 2021Observed: 6.53 ft at 8:45AM Oct 15, 2021Observed: 6.51 ft at 9:00AM Oct 15, 2021Observed: 6.52 ft at 9:15AM Oct 15, 2021Observed: 6.52 ft at 9:30AM Oct 15, 2021Observed: 6.51 ft at 9:45AM Oct 15, 2021Observed: 6.51 ft at 10:00AM Oct 15, 2021Observed: 6.5 ft at 10:15AM Oct 15, 2021Observed: 6.5 ft at 10:30AM Oct 15, 2021Observed: 6.5 ft at 10:45AM Oct 15, 2021Observed: 6.5 ft at 11:00AM Oct 15, 2021Observed: 6.5 ft at 11:01AM Oct 15, 2021Observed: 6.49 ft at 11:15AM Oct 15, 2021Observed: 6.49 ft at 11:16AM Oct 15, 2021Observed: 6.48 ft at 11:30AM Oct 15, 2021Observed: 6.48 ft at 11:31AM Oct 15, 2021Observed: 6.49 ft at 11:45AM Oct 15, 2021Observed: 6.48 ft at 12:00PM Oct 15, 2021Observed: 6.48 ft at 12:15PM Oct 15, 2021Observed: 6.48 ft at 12:30PM Oct 15, 2021Observed: 6.47 ft at 12:45PM Oct 15, 2021Observed: 6.47 ft at 1:00PM Oct 15, 2021Observed: 6.47 ft at 1:15PM Oct 15, 2021Observed: 6.47 ft at 1:30PM Oct 15, 2021Observed: 6.46 ft at 1:45PM Oct 15, 2021Observed: 6.46 ft at 2:00PM Oct 15, 2021Observed: 6.46 ft at 2:15PM Oct 15, 2021Observed: 6.45 ft at 2:30PM Oct 15, 2021Observed: 6.44 ft at 2:45PM Oct 15, 2021Observed: 6.45 ft at 3:00PM Oct 15, 2021Observed: 6.44 ft at 3:15PM Oct 15, 2021Observed: 6.43 ft at 3:30PM Oct 15, 2021Observed: 6.44 ft at 3:45PM Oct 15, 2021Observed: 6.44 ft at 4:00PM Oct 15, 2021Observed: 6.44 ft at 4:15PM Oct 15, 2021Observed: 6.43 ft at 4:30PM Oct 15, 2021Observed: 6.43 ft at 4:45PM Oct 15, 2021Observed: 6.43 ft at 5:00PM Oct 15, 2021Observed: 6.41 ft at 5:15PM Oct 15, 2021Observed: 6.42 ft at 5:30PM Oct 15, 2021Observed: 6.42 ft at 5:45PM Oct 15, 2021Observed: 6.41 ft at 6:00PM Oct 15, 2021Observed: 6.41 ft at 6:15PM Oct 15, 2021Observed: 6.41 ft at 6:30PM Oct 15, 2021Observed: 6.4 ft at 6:45PM Oct 15, 2021Observed: 6.4 ft at 7:00PM Oct 15, 2021Observed: 6.4 ft at 7:15PM Oct 15, 2021Observed: 6.41 ft at 7:30PM Oct 15, 2021Observed: 6.39 ft at 7:45PM Oct 15, 2021Observed: 6.41 ft at 8:00PM Oct 15, 2021Observed: 6.4 ft at 8:15PM Oct 15, 2021Observed: 6.39 ft at 8:30PM Oct 15, 2021Observed: 6.4 ft at 8:45PM Oct 15, 2021Observed: 6.4 ft at 9:00PM Oct 15, 2021Observed: 6.4 ft at 9:15PM Oct 15, 2021Observed: 6.4 ft at 9:30PM Oct 15, 2021Observed: 6.39 ft at 9:45PM Oct 15, 2021Observed: 6.39 ft at 10:00PM Oct 15, 2021Observed: 6.38 ft at 10:15PM Oct 15, 2021Observed: 6.38 ft at 10:30PM Oct 15, 2021Observed: 6.39 ft at 10:45PM Oct 15, 2021Observed: 6.38 ft at 11:00PM Oct 15, 2021Observed: 6.38 ft at 11:15PM Oct 15, 2021Observed: 6.38 ft at 11:30PM Oct 15, 2021Observed: 6.38 ft at 11:45PM Oct 15, 2021Observed: 6.37 ft at 12:00AM Oct 16, 2021Observed: 6.37 ft at 12:15AM Oct 16, 2021Observed: 6.38 ft at 12:30AM Oct 16, 2021Observed: 6.36 ft at 12:45AM Oct 16, 2021Observed: 6.35 ft at 1:00AM Oct 16, 2021Observed: 6.36 ft at 1:15AM Oct 16, 2021Observed: 6.37 ft at 1:30AM Oct 16, 2021Observed: 6.35 ft at 1:45AM Oct 16, 2021Observed: 6.35 ft at 2:00AM Oct 16, 2021Observed: 6.36 ft at 2:15AM Oct 16, 2021Observed: 6.36 ft at 2:30AM Oct 16, 2021Observed: 6.35 ft at 2:45AM Oct 16, 2021Observed: 6.36 ft at 3:00AM Oct 16, 2021Observed: 6.36 ft at 3:01AM Oct 16, 2021Observed: 6.35 ft at 3:15AM Oct 16, 2021Observed: 6.35 ft at 3:16AM Oct 16, 2021Observed: 6.35 ft at 3:30AM Oct 16, 2021Observed: 6.35 ft at 3:31AM Oct 16, 2021Observed: 6.34 ft at 3:45AM Oct 16, 2021Observed: 6.34 ft at 4:00AM Oct 16, 2021USGS--Water Resources of the United StatesWWCS2(plotting HGIRG) Graph Created (4:45AM Oct 16, 2021)ObservedLatest observed value: 6.34 ft at 4:00 AM CDT 16-Oct-2021. Flood Stage is 10 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts are not available for the Willow Creek near Watertown. Only observed stages are available for this point.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 10
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 12.51 ft on 04/07/2001
(2) 12.45 ft on 03/24/2019 (P)
(3) 11.70 ft on 03/16/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.45 ft on 04/02/2020
(2) 12.45 ft on 03/24/2019 (P)
(3) 10.46 ft on 02/18/2017
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.
About This Location Collapse

Latitude: 44.918889° N, Longitude: 97.045278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 1732.33 1742.33 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:
Resources Collapse
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
Aberdeen Weather Forecast Office
824 Brown County 14 South
Aberdeen, SD 57401
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities