Allegheny River at Kittanning Lock and Dam
Critical Stages
17' - Action
21' - Flood
22' - Moderate
23' - Major
Latest Observation
Updated: 12:00 AM EST 12/18/25
Status: No Flooding
Stage: 10.91 ft
Flow: 8.32 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 AM 12/18 | 10.9 | 8.25 |
| 7 AM 12/18 | 10.9 | 8.25 |
| 1 PM 12/18 | 10.8 | 7.58 |
| 7 PM 12/18 | 10.8 | 7.58 |
| 1 AM 12/19 | 10.8 | 7.58 |
| 7 AM 12/19 | 10.9 | 8.25 |
| 1 PM 12/19 | 11 | 8.97 |
| 7 PM 12/19 | 11.3 | 11.1 |
| 1 AM 12/20 | 11.6 | 13.6 |
| 7 AM 12/20 | 11.9 | 16.2 |
| 1 PM 12/20 | 12.2 | 19 |
| 7 PM 12/20 | 12.4 | 21 |
| 1 AM 12/21 | 12.5 | 22.1 |
| 7 AM 12/21 | 12.6 | 23 |
| 1 PM 12/21 | 12.5 | 22.1 |
| 7 PM 12/21 | 12.4 | 21 |
| 1 AM 12/22 | 12.3 | 20 |
| 7 AM 12/22 | 12.1 | 18 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:00 AM 12/18 | 10.91 | 8.32 |
| 11:45 PM 12/17 | 10.91 | 8.32 |
| 11:30 PM 12/17 | 10.91 | 8.32 |
| 11:15 PM 12/17 | 10.9 | 8.25 |
| 11:00 PM 12/17 | 10.9 | 8.25 |
| 10:45 PM 12/17 | 10.89 | 8.18 |
| 10:30 PM 12/17 | 10.88 | 8.11 |
| 10:15 PM 12/17 | 10.87 | 8.04 |
| 10:00 PM 12/17 | 10.86 | 7.98 |
| 9:45 PM 12/17 | 10.86 | 7.98 |
| 9:30 PM 12/17 | 10.86 | 7.98 |
| 9:15 PM 12/17 | 10.85 | 7.91 |
| 9:00 PM 12/17 | 10.85 | 7.91 |
| 8:45 PM 12/17 | 10.84 | 7.84 |
| 8:30 PM 12/17 | 10.82 | 7.71 |
| 8:15 PM 12/17 | 10.8 | 7.58 |
| 8:00 PM 12/17 | 10.79 | 7.51 |
| 7:45 PM 12/17 | 10.77 | 7.38 |
| 7:30 PM 12/17 | 10.76 | 7.31 |
| 7:15 PM 12/17 | 10.75 | 7.24 |
| 7:00 PM 12/17 | 10.74 | 7.18 |
| 6:45 PM 12/17 | 10.74 | 7.18 |
| 6:30 PM 12/17 | 10.74 | 7.18 |
| 6:15 PM 12/17 | 10.74 | 7.18 |
| 6:00 PM 12/17 | 10.74 | 7.18 |
| 5:45 PM 12/17 | 10.75 | 7.24 |
| 5:30 PM 12/17 | 10.75 | 7.24 |
| 5:15 PM 12/17 | 10.75 | 7.24 |
| 5:00 PM 12/17 | 10.75 | 7.24 |
| 4:45 PM 12/17 | 10.75 | 7.24 |
28.6' -
Water overtops flood wall from near Chestnut Street to Ewing Street above the dam.
24.8' -
County Health Center on South McKean Street floods.
21.2' -
South Water Street, Mulberry Street and Arch Street flood.
19.6' -
Lock walls overtopped.
17' -
Navigation suspended, lock out of service.
| Date | Stage (ft) |
|---|---|
| Mar 26, 1913 | 30.7 |
| Mar 10, 1964 | 24.8 |
| Jan 22, 1959 | 24.6 |
| Mar 18, 1936 | 24.2 |
| Dec 30, 1942 | 23.7 |
| Jun 23, 1972 | 23.7 |
| Jan 20, 1996 | 22.7 |
| Feb 14, 1966 | 22.2 |
| Sep 18, 2004 | 22.2 |
| Feb 20, 1981 | 21.7 |
| Apr 1, 1960 | 21.4 |
| Feb 17, 1976 | 21.3 |
| Feb 14, 1984 | 20.9 |
| Mar 16, 2007 | 20.47 |
| Oct 16, 1954 | 20.3 |
| Feb 19, 2022 | 19.74 |
| Dec 31, 1990 | 19.7 |
| Feb 25, 1985 | 19.5 |
| Feb 8, 2019 | 17.97 |
Data provided by the National Weather Service.
