Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Louisville, KY

Ohio River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EST) 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: Forecasts for the Ohio River at McAlpine Upper are issued routinely year-round.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 38 Moderate Flood Stage: 30 Flood Stage: 23 Action Stage: 21 Low Stage (in feet): -9999 Historic Crests (1) 52.15 ft on 01/27/1937 (2) 42.10 ft on 03/08/1945 (3) 41.70 ft on 02/16/1884 (4) 41.20 ft on 03/12/1964 (5) 39.50 ft on 02/16/1883 (6) 39.40 ft on 04/02/1913 (7) 38.76 ft on 03/07/1997 (8) 36.40 ft on 01/22/1907 (9) 36.00 ft on 04/19/1948 (10) 35.72 ft on 02/26/2018 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 28.83 ft on 03/06/2021 (P) (2) 25.86 ft on 02/17/2020 (P) (3) 26.06 ft on 02/27/2019 (4) 28.68 ft on 02/14/2019 (5) 35.72 ft on 02/26/2018 (6) 29.77 ft on 03/16/2015 (7) 31.13 ft on 04/27/2011 (8) 26.63 ft on 03/12/2011 (9) 26.09 ft on 03/21/2008 (10) 28.34 ft on 01/12/2005 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) -3.30 ft on 10/10/1881 (2) 3.90 ft on 12/22/1917 (3) 6.00 ft on 02/05/1936 Show More Low Water Records For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:13 Legend FEMA Layer Gauge Location 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

If you notice any errors in the below information, please contact our Webmaster
55.2	Water reaches top of floodwall.
53	Sandbagging of low areas of Louisville floodwall begin.
52	Flooding begins in Jeffersonville city limits. Shelby Street in Louisville is closed at floodgate.
50	Jackson Strret, Schoeffel Alley, Hancock Street, Preston Street and 13th Street are closed at floodgates.
48	Franklin, 18th, and 26th Streets are closed at floodgates.
47	Clay Street, Letterle Avenue, and Washington Street are closed at floodgates.
44	Campbell, 12th, Franklin, Wenzel, and Adams Streets are closed at floodgates.
42	Buchanan and Cabel Streets are closed at floodgate.
40	Mellwood Avenue, Webster Street, and Rowan Street are closed at floodgate.
38	Rowan and 7th Streets floodgates are closed. US 42 floods at Harrods Creek.
37	6th and 8th Street floodgates are closed. Ali Center and 2nd Street bridge floodgates are closed.
36	11th Street is closed at floodgates.
34	Bingham Way is closed at floodgate. Water floods East Riverside Road near Fisherman's Wharf in Jeffersonville.
32	2nd Street is floodgate is closed.
30	Utica Pike floods at Duffy's Landing in Jeffersonville.
29	Parts of Utica IN flood. Third Street ramp off of I-64 closes. 10th Streets is closed at floodgate.
28	More sections of River Road floods. Beachland Beach area is cut off. Lime Kiln Lane floods south of River Road.
27	River Road floods at many locations from 3rd St. to Glenview. Blankenbaker Lane closes south of River Road. River Dell Rd. floods at Mellwood Ave. Riverside Dr. floods at many locations.
26	Mockingbird Valley Rd. floods south of Mellwood Ave.
24.5	Waldoah Beach and Transylvania Beach areas are cut off. River Road near Indian Hills Trail floods. Adams St. and Witherspoon Rd. closes.
23	Some sections of River Road are closed from 3rd St. to 8th St. Eifler Beach and Juniper Beach areas are cut off. Parts of Campbell St., Frankfort Ave., and Mockingbird Valley Rd. close. Right turns onto River Rd. from the I-64 ramp are prohibited.
Photos (1) Gage House with Microwave Gage (2) Upper Pool Staff Gage on Lock Wall (3) Looking Upstream from Lock (4) Louisville Landing Area (5) Louisville Great Lawn Area (6) Jeffersonville Shoreline (7) Ohio Greenway Indiana Side (8) Ashland Park

About This Location

Latitude: 38.265833° N, Longitude: 85.768889° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 23 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 29 407.18 430.18 Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other 408 ft 431 ft Ohio River Datum 1913 Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for McAlpine Upper

Additional Information

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 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.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Precipitation/Temperature Archive (KML) Flash Flood Guidance Hydrologic Program Overview Interactive Precipitation Map Interactive Snowfall Map Ohio Basin Water Resources Outlook KY Precipitation Frequencies IN Precipitation Frequencies Inundation Mapping Locations 1-7 Day Ensemble River Forecasts Ohio River Flows and Velocities USGS Waterwatch Toolkit

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Drought Information KY Drought Mitigation and Response Plan Snow Information US Coast Guard Sector Ohio Valley USGS WaterWatch KY USGS WaterWatch IN USACE Louisville District USACE Louisville Daily Lake Report

Collaborative Agencies 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 Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities