Ohio River at McAlpine Upper

Last updated: Jul 20, 2025, 3:58 AM UTC

Flood Impacts 🅘

  • 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.

Gauge Info

Coordinates 38.2658, -85.7689
RFC OHRFC
State KY
WFO LMK
County Jefferson
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 03293551

Gauge Location

Recent Crests

1. 36.63 ft on 04-09-2025 (P)
2. 28.30 ft on 02-20-2025 (P)
3. 28.83 ft on 03-06-2021 (P)
4. 25.86 ft on 02-17-2020 (P)
5. 26.06 ft on 02-27-2019

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

Vertical Datum Table

type NGVD29
major Flooding 445.18 ft
moderate Flooding 437.18 ft
minor Flooding 430.18 ft
action 428.18 ft
Latest Value N/A
Gauge Zero 407.18 ft

Gauge Photos

Photo 1 of 8

Louisville Great Lawn Area

Probability Information

Photo 1 of 3

Unique Local Info

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

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.

WFO Information

Weather Forecast Office
Louisville
6201 Theiler Lane
Louisville, KY 40229
Official Homepage