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This probabilistic forecast is issued by the Ohio River Forecast Center.
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About this graph
Forecasts for the Ohio River at McAlpine Upper are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at McAlpine Lower
Zoom Level:13
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
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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
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.
(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

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.

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
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Louisville, KY 40229
(502) 969-8842
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Page last modified: 2-Nov-2020 7:30 PM
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