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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit 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.

Hydrograph River at a Glance Download
Ohio River at Mount Vernon Stage (ft)Highest Observation: 24 ft at 6:00AM Sep 22, 2023MTVI3(plotting HGIRZ) Graph Created (2:02PM Sep 26, 2023)ObservedLatest observed value: 24 ft at 6:00 AM CDT 22-Sep-2023. Flood Stage is 35 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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 Mount Vernon are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Henderson Upstream Gauge Downstream Gauge Downstream Gauge - at J.T. Myers Lock and Dam
Flood Categories (in feet)
Major Flood Stage: 52
Moderate Flood Stage: 45
Flood Stage: 35
Action Stage: 28
Low Stage (in feet): 23

Historic Crests
(1) 59.21 ft on 02/01/1937
(2) 52.90 ft on 04/05/1913
(3) 51.80 ft on 05/05/2011
(4) 51.70 ft on 02/20/1884
(5) 51.20 ft on 03/14/1945
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(P): Preliminary values subject to further review.

Recent Crests
(1) 42.90 ft on 03/03/2022
(2) 40.60 ft on 01/08/2022
(3) 44.40 ft on 03/09/2021
(4) 43.30 ft on 02/21/2020
(5) 46.40 ft on 02/19/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.20 ft on 11/26/1895
(2) 0.00 ft on 07/29/1894
(3) 0.50 ft on 12/14/1903
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For more information on your flood risk go to

Zoom Level:16
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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
59.21 This flood will exceed the highest stage on record.
52 Major flooding occurs. Large amounts of land are inundated and many homes and businesses will require evacuation.
45 Large portions of Point Township in Posey county are flooded.
40 Farm land and some main roads are flooded in places southwest and west of Mt. Vernon.
28 Flooding of numerous sloughs on both sides of the river occurs. Flood waters will begin to back into the lower Wabash River flooding bottomlands in that area.
(1) Incline Gage on Public Boat Ramp
(2) Ohio River Upstream
(3) Ohio River Downstream
About This Location Collapse

Latitude: 37.928611° N, Longitude: 87.895556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 35 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 29 318.92 ft 353.92 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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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
Paducah Weather Forecast Office
8250 Highway 3520
West Paducah, KY 42086-6440
(270) 744-6440
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Page last modified: 2-Nov-2020 7:29 PM
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