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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 Willow Island Lock are issued routinely year-round.

Vertical Datum reference a local datum

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Downstream Gauge Downstream Gauge - at Marietta Pumphouse
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 42
Moderate Flood Stage: 41
Flood Stage: 37
Action Stage: 35
Low Stage (in feet): -9999

Historic Crests
(1) 44.78 ft on 09/19/2004
(2) 42.90 ft on 01/08/2005
(3) 40.43 ft on 02/18/2018
(4) 38.51 ft on 03/13/2011
(5) 37.21 ft on 09/12/2018
(6) 36.38 ft on 04/05/2018
(7) 34.30 ft on 02/08/2008
(8) 33.12 ft on 02/20/2000
(9) 32.19 ft on 03/16/2015

(P): Preliminary values subject to further review.

Recent Crests
(1) 37.21 ft on 09/12/2018
(2) 36.38 ft on 04/05/2018
(3) 40.43 ft on 02/18/2018
(4) 32.19 ft on 03/16/2015
(5) 38.51 ft on 03/13/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.40 ft on 02/03/1936
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
42 Ohio Route 7 near Reno and Lower Newport is flooded. Areas around Cow Creek near Willow Island are flooded.
41 Water starts to inundate Ohio Route 7 in the Reno area.
37 Ohio State Route 7, Township Road 443, and Township Road 19 at Newell Run and Lenards Landing floods.
36 Ohio Route 7 starts to flood at Collins Run, just south of Matamoras.
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 One Page Explainer

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

See the Product Description Document link for more details on the interpretation of the 10 day graphics.

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
Charleston Weather Forecast Office
400 Parkway Road
Charleston, WV 25309
(304) 356-5885
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Page last modified: 2-Nov-2020 7:30 PM
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