Allegheny River at Clinton Lock and Dam
Critical Stages
17' - Action
21' - Flood
22' - Moderate
24' - Major
Latest Observation
Updated: 11:00 AM EST 12/6/25
Status: No Flooding
Stage: 9.84 ft
Flow: 8.31 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 PM 12/6 | 9.8 | 7.97 |
| 7 PM 12/6 | 9.7 | 4.99 |
| 1 AM 12/7 | 9.7 | 4.99 |
| 7 AM 12/7 | 9.8 | 7.97 |
| 1 PM 12/7 | 9.8 | 7.97 |
| 7 PM 12/7 | 9.8 | 7.97 |
| 1 AM 12/8 | 9.8 | 7.97 |
| 7 AM 12/8 | 9.8 | 7.97 |
| 1 PM 12/8 | 9.8 | 7.97 |
| 7 PM 12/8 | 9.8 | 7.97 |
| 1 AM 12/9 | 9.7 | 4.99 |
| 7 AM 12/9 | 9.7 | 4.99 |
| 1 PM 12/9 | 9.7 | 4.99 |
| 7 PM 12/9 | 9.7 | 4.99 |
| 1 AM 12/10 | 9.7 | 4.99 |
| 7 AM 12/10 | 9.7 | 4.99 |
| 1 PM 12/10 | 9.7 | 4.99 |
| 7 PM 12/10 | 9.7 | 4.99 |
| 1 AM 12/11 | 9.7 | 4.99 |
| 7 AM 12/11 | 9.7 | 4.99 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11:00 AM 12/6 | 9.84 | 8.31 |
| 10:45 AM 12/6 | 9.85 | 8.39 |
| 10:30 AM 12/6 | 9.84 | 8.31 |
| 10:15 AM 12/6 | 9.84 | 8.31 |
| 10:00 AM 12/6 | 9.84 | 8.31 |
| 9:45 AM 12/6 | 9.83 | 8.22 |
| 9:30 AM 12/6 | 9.84 | 8.31 |
| 9:15 AM 12/6 | 9.84 | 8.31 |
| 9:00 AM 12/6 | 9.84 | 8.31 |
| 8:45 AM 12/6 | 9.83 | 8.22 |
| 8:30 AM 12/6 | 9.83 | 8.22 |
| 8:15 AM 12/6 | 9.81 | 8.05 |
| 8:00 AM 12/6 | 9.81 | 8.05 |
| 7:45 AM 12/6 | 9.81 | 8.05 |
| 7:30 AM 12/6 | 9.81 | 8.05 |
| 7:15 AM 12/6 | 9.81 | 8.05 |
| 7:00 AM 12/6 | 9.81 | 8.05 |
| 6:45 AM 12/6 | 9.81 | 8.05 |
| 6:30 AM 12/6 | 9.82 | 8.14 |
| 6:15 AM 12/6 | 9.82 | 8.14 |
| 6:00 AM 12/6 | 9.82 | 8.14 |
| 5:45 AM 12/6 | 9.82 | 8.14 |
| 5:30 AM 12/6 | 9.82 | 8.14 |
| 5:15 AM 12/6 | 9.82 | 8.14 |
| 5:00 AM 12/6 | 9.83 | 8.22 |
| 4:45 AM 12/6 | 9.84 | 8.31 |
| 4:30 AM 12/6 | 9.82 | 8.14 |
| 4:15 AM 12/6 | 9.82 | 8.14 |
| 4:00 AM 12/6 | 9.82 | 8.14 |
| 3:45 AM 12/6 | 9.83 | 8.22 |
26.4' -
Water reaches the bottom of the first floor window of the powerhouse at Lock 6.
23' -
Top of rail of the Pennsylvania Railroad across the river from the lock floods.
19' -
Lock walls overtopped.
17' -
Navigation suspended, lock out of service.
| Date | Stage (ft) |
|---|---|
| Mar 18, 1936 | 26.4 |
| Jun 23, 1972 | 22 |
| Sep 18, 2004 | 20.3 |
| Mar 16, 2007 | 19.8 |
| Dec 31, 1990 | 19.2 |
| Feb 8, 2019 | 17.9 |
| Mar 23, 2007 | 16.2 |
Data provided by the National Weather Service.
