Ohio River at Montgomery Lock and Dam

Last updated: Jul 22, 2025, 10:46 PM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 55 - This was the st. Patricks day flood of 1936. This crest occurred before flood control projects were in place at numerous locations upstream.
  • 40.5 - Lock walls overtopped.
  • 37 - Navigation suspended, lock out of service.

Gauge Info

Coordinates 40.6472, -80.3889
RFC OHRFC
State PA
WFO PBZ
County Beaver
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 03108500
COE Website

Gauge Location

Recent Crests

1. 35.97 ft on 04-04-2024
2. 36.00 ft on 04-04-2024 (P)
3. 37.49 ft on 09-11-2018
4. 33.85 ft on 09-11-2018
5. 33.57 ft on 02-17-2018

Historic Crests

1. 55.00 ft on 03-18-1936
2. 47.90 ft on 12-31-1942
3. 43.10 ft on 06-24-1972
4. 43.00 ft on 10-17-1954
5. 43.00 ft on 01-19-1996

Vertical Datum Table

type NAVD88
major Flooding 690.20 ft
moderate Flooding 688.20 ft
minor Flooding 685.20 ft
action 675.50 ft
Latest Value 665.57 ft
Gauge Zero 652.20 ft

Gauge Photos

No Images Found

Probability Information

Photo 1 of 3

Unique Local Info

Potential River Levels - Used to

Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Pittsburgh
192 Shafer Road
Moon Township, PA 15108
Official Homepage