Rivers in Pennsylvania
Allegheny River at Parker
Below flood stage
4.43ftStage
Observed Tue, Sep 22, 4:00 AM EDT
- Flood stage
- 20.00 ft
- Forecast crest
- 4.30 ftTue, Sep 22, 8:00 AM EDT
- Record crest
- 29.60 ft1959
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 26.00 ft |
| Moderate flood | 23.00 ft |
| Minor flood | 20.00 ft |
| Action | 13.90 ft |
- 29.00 ftFloodwaters reach the Conrail railroad bridge over the Clarion River about 0.8 miles upstream the U. S. Highway bridge.
- 25.00 ftFloodwaters cover Route 268 and flood UFP Parker LLC.
- 22.00 ftSeveral homes on Route 268 flood.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 15, 2026.
Crest history
20 crests on NOAA’s list since 1865.
| # | Date | Stage |
|---|---|---|
| 1 | January 22, 1959 | 29.60 ft |
| 2 | March 17, 1865 | 29.40 ft |
| 3 | February 17, 1976 | 26.30 ft |
| 4 | January 30, 1968 | 24.15 ft |
| 5 | February 8, 1965 | 23.30 ft |
| 6 | January 19, 1969 | 22.80 ft |
| 7 | March 17, 2015 | 22.66 ft |
| 8 | June 23, 1972 | 22.30 ft |
| 9 | February 20, 2026 | 21.69 ft |
| 10 | January 29, 1994 | 21.50 ft |
| 11 | February 22, 1994 | 21.50 ft |
| 12 | February 3, 1970 | 21.17 ft |
| 13 | February 26, 1977 | 21.14 ft |
| 14 | February 23, 1985 | 20.75 ft |
| 15 | January 20, 1996 | 20.30 ft |
| 16 | September 18, 2004 | 19.20 ft |
| 17 | March 15, 2007 | 18.89 ft |
| 18 | September 10, 2004 | 18.70 ft |
| 19 | February 18, 2022 | 17.98 ft |
| 20 | February 4, 2019 | 16.43 ft |
Most recent crests
- February 20, 2026: 21.69 ft
- February 18, 2022: 17.98 ft
- February 4, 2019: 16.43 ft
- March 17, 2015: 22.66 ft
- March 15, 2007: 18.89 ft
- September 18, 2004: 19.20 ft
- September 10, 2004: 18.70 ft
- January 20, 1996: 20.30 ft
- February 22, 1994: 21.50 ft
- January 29, 1994: 21.50 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. Stage may be affected by ice.
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.