National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Pittsburgh, PA

Ohio River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (EDT)

Datum: NAVD88

Metadata

NOTE: The above river forecast includes future rainfall/snowmelt. Forecast stages may be different if the actual rainfall/snowmelt is different than the forecast rainfall/snowmelt.

NOTE: Forecasts for the Ohio River at Pittsburgh are issued routinely year-round.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	28.5
Moderate Flood Stage:	27
Flood Stage:	25
Action Stage:	18
Low Stage (in feet):	-9999

Historic Crests
(1) 46.00 ft on 03/18/1936
(2) 38.50 ft on 03/15/1907
(3) 36.60 ft on 12/31/1942
(4) 35.82 ft on 06/24/1972
(5) 35.40 ft on 03/01/1902
(6) 35.10 ft on 04/27/1937
(7) 34.60 ft on 01/20/1996
(8) 34.50 ft on 01/26/1937
(9) 34.30 ft on 01/09/1913
(10) 33.40 ft on 03/07/1945
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 28.37 ft on 04/04/2024
(2) 22.98 ft on 01/29/2024
(3) 22.93 ft on 02/19/2022
(4) 19.91 ft on 12/18/2019
(5) 20.11 ft on 02/13/2019
(6) 24.43 ft on 02/09/2019
(7) 19.45 ft on 01/25/2019
(8) 27.08 ft on 09/11/2018
(9) 23.12 ft on 04/04/2018
(10) 27.49 ft on 02/17/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:14

	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
46	Severe damage occurs in Pittsburgh with up to 15 feet of water in the golden triangle. This is the level of the record flood in march of 1936.
40	PNC Park is flooded along Federal Street.
38	Water reaches the floor of Brunots Island Power Station.
37	Water reaches the floor level of Rivers Casino.
36.6	Steam distribution lines in Pittsburgh are in jeopardy. Water reaches the top of the flood wall at PNC park.
36	Serious flood damage occurs to about 500 businesses on the North Side and in downtown Pittsburgh. The Port Authority of Pittsburgh subway system is affected.
35.82	Flood waters reach the historic levels of Hurricane Agnes on June 26, 1972.
35	The river level reaches a critical stage for Acrisure Stadium and PNC Park.
32	Mckees Rocks is affected. Flooding occurs on Neville Island.
31	Water reaches the railroad tracks at Station Square on the South Side. PNC Park playing field is flooded. Flood waters reach the level of Hurricane Ivan on September 18, 2004.
30	200 manufacturing concerns and companies in Pittsburgh are affected by flooding. Acrisure Stadium playing field is flooded. Point state park is flooded to the Portal Bridge.
29	River Avenue on the North Side begins to flood.
28	Pumping operations begin on Neville Island. The Wood Street T station facilities are impacted. Fort Pitt Boulevard is closed.
27.6	The fountain in Point State Park is completely submerged.
26	State Correctional Institution Pittsburgh is impacted.
25	The Parkway Central (also known as the bathtub) is closed by flooding. Lower North Side businesses are affected.
24.9	Water entes the inner pool of the fountain.
24	Water enters the outer pool of the fountain.
22.5	The fountain plaza is flooded.
22	The Tenth Street Bypass floods.
20	Water is up to one foot deep in the lower areas of the North Shore Riverwalk.
19.5	The Monongahela Parking Wharf is completely flooded.
19	Water begins to flow onto the North Shore riverwalk between the stadiums.
18	Water begins to flow onto the Monongahela Parking Wharf.

About This Location

Latitude: 40.439444° N, Longitude: 80.010833° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	25 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	693.60	718.60	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	694.23	719.23	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	Not Available	Not Available

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Pittsburgh

Additional Information

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)	10 Day (GEFS)

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

Resources

Hydrologic Resources

Additional Resources

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
Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
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Page last modified: 2-Nov-2020 7:30 PM

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