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Visit for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

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Hydrograph River at a Glance Download
Ohio River at Clifty Creek Stage (ft)Highest Observation: 426.9 ft at 7:00AM Feb 05, 2023Observed: 425 ft at 7:00AM Feb 06, 2023Observed: 423.6 ft at 7:00AM Feb 07, 2023Indiana-Kentucky Electric Corp.CLFI3(plotting HGIRZ) Graph Created (7:12PM Feb 7, 2023)ObservedLatest observed value: 423.6 ft at 7:00 AM EST 7-Feb-2023. Flood Stage is 451 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NGVD29
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: Forecasts for the Ohio River at Clifty Creek are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Markland Lower Upstream Gauge Downstream Gauge Downstream Gauge - at Louisville Water Tower
Flood Categories (in feet)
Major Flood Stage: 470
Moderate Flood Stage: 457
Flood Stage: 451
Action Stage: 449
Low Stage (in feet): 420

Historic Crests
(1) 475.90 ft on 01/27/1937
(2) 464.30 ft on 02/15/1884
(3) 464.00 ft on 03/08/1945
(4) 463.20 ft on 03/12/1964
(5) 463.00 ft on 04/01/1913
(6) 462.40 ft on 01/05/1943
(7) 461.80 ft on 02/01/1883
(8) 460.90 ft on 03/07/1997
(9) 459.90 ft on 01/01/1907
(10) 459.60 ft on 01/01/1832
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 452.20 ft on 03/05/2021
(2) 451.20 ft on 02/13/2019
(3) 457.30 ft on 02/26/2018 (P)
(4) 453.10 ft on 03/16/2015
(5) 452.50 ft on 04/26/2011
(6) 451.60 ft on 03/13/2011
(7) 452.00 ft on 01/12/2005
(8) 460.90 ft on 03/07/1997
(9) 451.80 ft on 01/26/1996
(10) 453.00 ft on 01/03/1991
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 404.70 ft on 11/07/1892
(2) 408.50 ft on 07/12/1926

For more information on your flood risk go to

Zoom Level:13
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Gauge LocationGauge Map Marker
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
476 Water reaches second story on Vaughn St. Most homes on First streets are flooded. Some business along First St. are flooded.
473 All of First St. in Madison is flooded and water enters homes on First Street. West end of Second St. is flooded. Water reaches State Highway 7. Many county roads on both sides are closed.
471 Flooding begins in Bethlehem IN.
468 Other homes in the west end of Madison are flooded.
466 Water reaches main floor of Clifty Creek Power Plant.
464 IN 56 floods at Clifty Creek bridge.
458 Water reaches State Highway 56 east of Clifty Creek Power Plant. Clifty Creek Park south entrance floods.
457 Water covers the west end of First St. Half of Milton KY is flooded. Entrance to Clifty Creek State Park is flooded.
453 Water floods Vaughn Drive in Madison in southwest. Water floods city campground in southeast. Water reaches State Highway 56 toward Vevay.
449 Lower parts of Milton KY flood. Public landing at Madison floods.
447 Road to Hanover Beach is closed.
446 Bottomland begins to flood.
(1) Staff Gage at Power Plant
(2) Downstream End of Vaughn St in Madison
(3) Vaughn St. in Madison
(4) Looking at Milton from Madison
(5) Looking at Madison from Milton
(6) Gravel Lot in Milton in Flood Plain
(7) Flood Marks on Building in Milton on High St.
(8) Low Spot in Milton Park
(9) High St. in Milton near Post Office
(10) Upstream End of Vaughn St. near City Campground
(11) Parking Lot in Madison close to Bridge
(12) Panoramic Upstream
(13) Panoramic Downstream
About This Location Collapse

Latitude: 38.736667° N, Longitude: 85.418056° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 451 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 451 Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) River Forecast VS. River Potential
HEFS Ensemble NAEFS Ensemble River Forecast vs Potential

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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
Louisville Weather Forecast Office
6201 Theiler Lane
Louisville, KY 40229
(502) 969-8842
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