Allegheny River at Mosgrove Lock and Dam
Critical Stages
14' - Action
19' - Flood
21' - Moderate
24' - Major
Latest Observation
Updated: 10:45 AM EST 12/6/25
Status: No Flooding
Stage: 9.59 ft
Flow: 2.57 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10:45 AM 12/6 | 9.59 | 2.57 |
| 10:30 AM 12/6 | 9.59 | 2.57 |
| 10:15 AM 12/6 | 9.58 | 2.52 |
| 10:00 AM 12/6 | 9.59 | 2.57 |
| 9:45 AM 12/6 | 9.57 | 2.47 |
| 9:30 AM 12/6 | 9.58 | 2.52 |
| 9:15 AM 12/6 | 9.58 | 2.52 |
| 9:00 AM 12/6 | 9.58 | 2.52 |
| 8:45 AM 12/6 | 9.58 | 2.52 |
| 8:30 AM 12/6 | 9.56 | 2.42 |
| 8:15 AM 12/6 | 9.57 | 2.47 |
| 8:00 AM 12/6 | 9.57 | 2.47 |
| 7:45 AM 12/6 | 9.56 | 2.42 |
| 7:30 AM 12/6 | 9.56 | 2.42 |
| 7:15 AM 12/6 | 9.57 | 2.47 |
| 7:00 AM 12/6 | 9.57 | 2.47 |
| 6:45 AM 12/6 | 9.56 | 2.42 |
| 6:30 AM 12/6 | 9.58 | 2.52 |
| 6:15 AM 12/6 | 9.58 | 2.52 |
| 6:00 AM 12/6 | 9.57 | 2.47 |
| 5:45 AM 12/6 | 9.58 | 2.52 |
| 5:30 AM 12/6 | 9.57 | 2.47 |
| 5:15 AM 12/6 | 9.58 | 2.52 |
| 5:00 AM 12/6 | 9.57 | 2.47 |
| 4:45 AM 12/6 | 9.57 | 2.47 |
| 4:30 AM 12/6 | 9.57 | 2.47 |
| 4:15 AM 12/6 | 9.58 | 2.52 |
| 4:00 AM 12/6 | 9.57 | 2.47 |
| 3:45 AM 12/6 | 9.57 | 2.47 |
| 3:30 AM 12/6 | 9.57 | 2.47 |
20' -
Water begins to rise on to the road along the river in Templeton PA.
15.8' -
Lock walls are overtopped.
14' -
Navigation suspended. Lock out of service.
| Date | Stage (ft) |
|---|---|
| Mar 10, 1964 | 27.7 |
| Mar 5, 1964 | 25.6 |
| Dec 30, 1942 | 21.8 |
| Jun 23, 1972 | 21.7 |
| Feb 14, 1966 | 20.8 |
| Sep 18, 2004 | 20.4 |
| Feb 21, 1972 | 20.1 |
| Mar 18, 1936 | 19.6 |
| Feb 17, 1976 | 19.3 |
| Mar 16, 2007 | 19.2 |
| Feb 18, 2022 | 19.18 |
| Mar 7, 2011 | 19.08 |
| Mar 7, 2011 | 19.04 |
| Sep 10, 2004 | 19 |
| Dec 31, 1990 | 18.7 |
| Feb 8, 2019 | 17.93 |
| Feb 3, 1970 | 17.7 |
Data provided by the National Weather Service.
