Skip Navigation Link  
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
Navigation Bar End Cap


This probabilistic forecast is issued by the Ohio River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Kentucky River at Lockport are issued routinely year-round.
Return to Area Map

Zoom Level:13
Flood Categories (in feet)
Major Flood Stage: 49
Moderate Flood Stage: 43
Flood Stage: 33
Action Stage: 30
Low Stage (in feet): -9999

Historic Crests
(1) 56.85 ft on 01/26/1937
(2) 53.60 ft on 03/06/1997
(3) 51.65 ft on 12/11/1978
(4) 49.14 ft on 02/17/1989
(5) 49.00 ft on 03/11/1964
(6) 47.10 ft on 04/17/1972
(7) 46.87 ft on 03/03/1962
(8) 46.70 ft on 03/07/1945
(9) 45.92 ft on 05/05/2010
(10) 45.87 ft on 03/06/2021
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 45.87 ft on 03/06/2021
(2) 39.69 ft on 02/26/2019
(3) 34.52 ft on 02/13/2019
(4) 36.54 ft on 02/26/2018 (P)
(5) 43.04 ft on 04/05/2015 (P)
(6) 37.69 ft on 03/09/2015
(7) 32.06 ft on 07/06/2013
(8) 31.41 ft on 11/29/2011
(9) 37.42 ft on 04/13/2011
(10) 45.92 ft on 05/05/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
KML Image
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
51 All buildings in Monterey flood. Significant flooding occurs in Gratz and Perry Park.
49 More than half of Monterey floods. Water is four feet deep in homes closest to the river. Water is up to two feet deep on Taylor St. Significant flooding of low lying buildings occurs in Gratz and Perry Park.
45 Water is a foot deep in homes along High St. in Monterey. Some buildings along Worth and Clyde St. flood. Point of Rock and Old Landing Rd flood in several areas. Water approaches buildings in Gratz.
43 KY 389 floods near Lockport. Homes in along High St. in Monterey flood. Lower end of Worth and Clyde St. flood. Water approaches buildings along River Front St. in Gratz.
42 Water approaches homes along High St. in Monterey.
39 Outbuildings and barns in Monterey begin to flood. Some yards between Eagle Lane and the river in Perry Park flood.
36 Low areas of Point of Rock and Old Landing Roads, and low lying roads near Perry Park flood in Monterey.
33 Low lying roads near the river along and west of KY 355 flood.
30 Parts of Eagle Creek campground, between Worthville and Perry, flood along KY 355.
(1) Looking Upstream from Lock
(2) Crest Gauge
(3) Dam and Lock
(4) Looking Downstream from Lock
(5) Gauge House
(6) Lower Gate
(7) Staff Gauge Section
(8) Upper Gate
(9) Looking Upstream from Lock
(10) Upper Gage Staff Section for Higher Values
(11) Upper Gage Staff Section for Lower Values
(12) Upper Pool Slope Gage
(13) Park in Lockport
(14) Gage Carved in Lower Lock Wall

Other Real-time and/or Archive Data Sources:

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.

USGS Average Streamflow
How low could the river get?
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
Louisville Weather Forecast Office
6201 Theiler Lane
Louisville, KY 40229
(502) 969-8842
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM
Privacy Policy
About Us
Career Opportunities