Rivers in Pennsylvania

Ohio River at Pittsburgh

Allegheny County, PennsylvaniaNWS PTTP1USGS 03085152Moon Township office

Below flood stage
16.39ftStage

Observed Tue, Sep 22, 1:15 AM EDT

Flood stage
22.00 ft
Forecast crest
16.80 ftWed, Sep 23, 2:00 PM EDT
Record crest
46.00 ft1936

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood28.00 ft
Moderate flood25.00 ft
Minor flood22.00 ft
Action18.00 ft
  1. 46.00 ftSevere 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.
  2. 40.00 ftPNC Park is flooded along Federal Street.
  3. 38.00 ftWater reaches the floor of Brunots Island Power Station.
  4. 37.00 ftWater reaches the floor level of Rivers Casino.
  5. 36.60 ftSteam distribution lines in Pittsburgh are in jeopardy. Water reaches the top of the flood wall at PNC park.
  6. 36.00 ftSerious flood damage occurs to about 500 businesses on the North Side and in downtown Pittsburgh. The Port Authority of Pittsburgh subway system is affected.
  7. 35.82 ftFlood waters reach the historic levels of Hurricane Agnes on June 26, 1972.
  8. 35.00 ftThe river level reaches a critical stage for Acrisure Stadium and PNC Park.
  9. 32.00 ftMckees Rocks is affected. Flooding occurs on Neville Island.
  10. 31.00 ftWater 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.
  11. 30.00 ft200 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.
  12. 29.00 ftRiver Avenue on the North Side begins to flood.
  13. 28.00 ftPumping operations begin on Neville Island. The Wood Street T station facilities are impacted. Fort Pitt Boulevard is closed.
  14. 27.60 ftThe fountain in Point State Park is completely submerged.
  15. 25.00 ftThe Parkway Central (also known as the bathtub) is closed by flooding. Lower North Side businesses are affected.
  16. 24.90 ftWater enters the inner pool of the fountain.
  17. 24.00 ftWater enters the outer pool of the fountain.
  18. 22.50 ftThe fountain plaza is flooded.
  19. 22.00 ftThe Tenth Street Bypass floods.
  20. 20.00 ftWater is up to one foot deep in the lower areas of the North Shore Riverwalk.
  21. 19.50 ftThe Monongahela Parking Wharf is completely flooded.
  22. 19.00 ftWater begins to flow onto the North Shore Riverwalk between the stadiums.
  23. 18.00 ftWater begins to flow onto the Monongahela Parking Wharf.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding20%
Moderate flooding14%
Major flooding6%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 15, 2026.

Crest history

104 crests on NOAA’s list since 1902.

#DateStage
1March 18, 193646.00 ft
2March 15, 190738.50 ft
3December 31, 194236.60 ft
4June 24, 197235.82 ft
5March 1, 190235.40 ft
6April 27, 193735.10 ft
7January 20, 199634.60 ft
8January 26, 193734.50 ft
9January 9, 191334.30 ft
10March 7, 194533.40 ft
11January 23, 193732.90 ft
12October 16, 195432.40 ft
13March 11, 196431.60 ft
14September 18, 200431.00 ft
15March 26, 193630.60 ft
16April 15, 194829.80 ft
17January 28, 195229.70 ft
18January 22, 195929.23 ft
19February 28, 193629.20 ft
20February 14, 196628.60 ft
21January 6, 200528.43 ft
22April 4, 202428.37 ft
23July 20, 199628.10 ft
24March 6, 196427.60 ft
25February 17, 201827.49 ft

Most recent crests

  • April 4, 2024: 28.37 ft
  • January 29, 2024: 22.98 ft
  • February 19, 2022: 22.93 ft
  • December 18, 2019: 19.91 ft
  • February 13, 2019: 20.11 ft
  • February 9, 2019: 24.43 ft
  • January 25, 2019: 19.45 ft
  • September 11, 2018: 27.08 ft
  • April 4, 2018: 23.12 ft
  • February 17, 2018: 27.49 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Ohio River Forecast Center. Forecasts are issued routinely year-round. 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.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.