Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
  Help the NWS better communicate with you when hazardous weather threatens: Take the two NEW surveys!

Hydrograph River at a Glance Download
Ohio River at Montgomery Lock and Dam Tailwater (ft)Flow (kcfs)Observed: 12.8 ft at 10:45AM Nov 30, 2016Observed: 12.83 ft at 11:00AM Nov 30, 2016Observed: 12.79 ft at 11:15AM Nov 30, 2016Observed: 12.76 ft at 11:30AM Nov 30, 2016Observed: 12.64 ft at 11:45AM Nov 30, 2016Observed: 12.82 ft at 12:00PM Nov 30, 2016Observed: 12.8 ft at 12:15PM Nov 30, 2016Observed: 12.81 ft at 12:30PM Nov 30, 2016Observed: 12.77 ft at 1:00PM Nov 30, 2016Observed: 12.72 ft at 1:15PM Nov 30, 2016Observed: 12.77 ft at 1:30PM Nov 30, 2016Observed: 12.76 ft at 1:45PM Nov 30, 2016Observed: 12.76 ft at 2:00PM Nov 30, 2016Observed: 12.66 ft at 2:15PM Nov 30, 2016Observed: 12.71 ft at 2:30PM Nov 30, 2016Observed: 12.74 ft at 2:45PM Nov 30, 2016Observed: 12.68 ft at 3:00PM Nov 30, 2016Observed: 12.68 ft at 3:15PM Nov 30, 2016Observed: 12.66 ft at 3:30PM Nov 30, 2016Observed: 12.49 ft at 3:45PM Nov 30, 2016Observed: 12.63 ft at 4:00PM Nov 30, 2016Observed: 12.61 ft at 4:15PM Nov 30, 2016Observed: 12.65 ft at 4:30PM Nov 30, 2016Observed: 12.64 ft at 4:45PM Nov 30, 2016Observed: 12.69 ft at 5:00PM Nov 30, 2016Observed: 12.72 ft at 5:15PM Nov 30, 2016Observed: 12.68 ft at 5:30PM Nov 30, 2016Observed: 12.61 ft at 5:45PM Nov 30, 2016Observed: 12.68 ft at 6:00PM Nov 30, 2016Observed: 12.64 ft at 6:15PM Nov 30, 2016Observed: 12.67 ft at 6:30PM Nov 30, 2016Observed: 12.67 ft at 6:45PM Nov 30, 2016Observed: 12.66 ft at 7:00PM Nov 30, 2016Observed: 12.63 ft at 7:15PM Nov 30, 2016Observed: 12.67 ft at 7:30PM Nov 30, 2016Observed: 12.66 ft at 7:45PM Nov 30, 2016Observed: 12.67 ft at 8:00PM Nov 30, 2016Observed: 12.7 ft at 8:15PM Nov 30, 2016Observed: 12.84 ft at 8:30PM Nov 30, 2016Observed: 12.84 ft at 8:45PM Nov 30, 2016Observed: 12.92 ft at 9:00PM Nov 30, 2016Observed: 12.87 ft at 9:15PM Nov 30, 2016Observed: 12.9 ft at 9:30PM Nov 30, 2016Observed: 12.83 ft at 9:45PM Nov 30, 2016Observed: 12.83 ft at 10:00PM Nov 30, 2016Observed: 12.77 ft at 10:15PM Nov 30, 2016Observed: 12.66 ft at 10:30PM Nov 30, 2016Observed: 12.87 ft at 10:45PM Nov 30, 2016Observed: 12.72 ft at 11:00PM Nov 30, 2016Observed: 12.85 ft at 11:15PM Nov 30, 2016Observed: 12.84 ft at 11:30PM Nov 30, 2016Observed: 12.88 ft at 11:45PM Nov 30, 2016Observed: 12.97 ft at 12:00AM Dec 01, 2016Observed: 12.94 ft at 12:15AM Dec 01, 2016Observed: 12.9 ft at 12:30AM Dec 01, 2016Observed: 12.87 ft at 12:45AM Dec 01, 2016Observed: 12.85 ft at 1:00AM Dec 01, 2016Observed: 12.85 ft at 1:15AM Dec 01, 2016Observed: 12.83 ft at 1:30AM Dec 01, 2016Observed: 12.73 ft at 1:45AM Dec 01, 2016Observed: 12.87 ft at 2:00AM Dec 01, 2016Observed: 12.86 ft at 2:15AM Dec 01, 2016Observed: 12.86 ft at 2:30AM Dec 01, 2016Observed: 12.91 ft at 2:45AM Dec 01, 2016Observed: 12.91 ft at 3:00AM Dec 01, 2016Observed: 12.91 ft at 3:15AM Dec 01, 2016Observed: 12.88 ft at 3:30AM Dec 01, 2016Observed: 12.86 ft at 3:45AM Dec 01, 2016Observed: 12.89 ft at 4:00AM Dec 01, 2016Observed: 12.85 ft at 4:15AM Dec 01, 2016Observed: 12.94 ft at 4:30AM Dec 01, 2016Observed: 12.8 ft at 4:45AM Dec 01, 2016Observed: 12.92 ft at 5:00AM Dec 01, 2016Observed: 12.88 ft at 5:15AM Dec 01, 2016Observed: 12.89 ft at 5:30AM Dec 01, 2016Observed: 12.88 ft at 5:45AM Dec 01, 2016Observed: 12.8 ft at 6:00AM Dec 01, 2016Observed: 12.84 ft at 6:15AM Dec 01, 2016Observed: 12.81 ft at 6:30AM Dec 01, 2016Observed: 12.77 ft at 6:45AM Dec 01, 2016Observed: 12.75 ft at 7:00AM Dec 01, 2016Observed: 12.77 ft at 7:15AM Dec 01, 2016Observed: 12.77 ft at 7:30AM Dec 01, 2016Observed: 12.73 ft at 7:45AM Dec 01, 2016Observed: 12.73 ft at 8:00AM Dec 01, 2016Observed: 12.76 ft at 8:15AM Dec 01, 2016Observed: 12.74 ft at 8:30AM Dec 01, 2016Observed: 12.78 ft at 8:45AM Dec 01, 2016Observed: 12.73 ft at 9:00AM Dec 01, 2016Observed: 12.71 ft at 9:15AM Dec 01, 2016Observed: 12.68 ft at 9:30AM Dec 01, 2016Observed: 12.77 ft at 9:45AM Dec 01, 2016Observed: 12.78 ft at 10:00AM Dec 01, 2016Observed: 12.75 ft at 10:15AM Dec 01, 2016Observed: 12.83 ft at 10:30AM Dec 01, 2016Observed: 12.85 ft at 10:45AM Dec 01, 2016Observed: 12.85 ft at 11:00AM Dec 01, 2016Observed: 12.87 ft at 11:15AM Dec 01, 2016Observed: 12.86 ft at 11:30AM Dec 01, 2016Observed: 12.77 ft at 11:45AM Dec 01, 2016Observed: 12.71 ft at 12:00PM Dec 01, 2016Observed: 12.86 ft at 12:15PM Dec 01, 2016Observed: 12.86 ft at 12:30PM Dec 01, 2016Observed: 12.87 ft at 12:45PM Dec 01, 2016Observed: 12.89 ft at 1:00PM Dec 01, 2016Observed: 12.9 ft at 1:15PM Dec 01, 2016Observed: 12.94 ft at 1:30PM Dec 01, 2016Observed: 12.94 ft at 1:45PM Dec 01, 2016Observed: 12.97 ft at 2:00PM Dec 01, 2016Observed: 13.02 ft at 2:15PM Dec 01, 2016Observed: 12.92 ft at 2:30PM Dec 01, 2016Observed: 13.07 ft at 2:45PM Dec 01, 2016Observed: 13.03 ft at 3:00PM Dec 01, 2016Observed: 13.1 ft at 3:15PM Dec 01, 2016Observed: 13.05 ft at 3:30PM Dec 01, 2016Observed: 13.13 ft at 3:45PM Dec 01, 2016Observed: 13.09 ft at 4:00PM Dec 01, 2016Observed: 12.96 ft at 4:15PM Dec 01, 2016Observed: 13.06 ft at 4:30PM Dec 01, 2016Observed: 13.14 ft at 4:45PM Dec 01, 2016Observed: 13.04 ft at 5:00PM Dec 01, 2016Observed: 13.33 ft at 5:15PM Dec 01, 2016Observed: 13.3 ft at 5:30PM Dec 01, 2016Observed: 13.5 ft at 5:45PM Dec 01, 2016Observed: 13.46 ft at 6:00PM Dec 01, 2016Observed: 13.49 ft at 6:15PM Dec 01, 2016Observed: 13.39 ft at 6:30PM Dec 01, 2016Observed: 13.43 ft at 6:45PM Dec 01, 2016Observed: 13.59 ft at 7:00PM Dec 01, 2016Observed: 13.57 ft at 7:15PM Dec 01, 2016Observed: 13.66 ft at 7:30PM Dec 01, 2016Observed: 13.78 ft at 7:45PM Dec 01, 2016Observed: 13.86 ft at 8:00PM Dec 01, 2016Observed: 13.91 ft at 8:15PM Dec 01, 2016Observed: 13.91 ft at 8:30PM Dec 01, 2016Observed: 13.99 ft at 8:45PM Dec 01, 2016Observed: 13.98 ft at 9:00PM Dec 01, 2016Observed: 13.93 ft at 9:15PM Dec 01, 2016Observed: 13.99 ft at 9:30PM Dec 01, 2016Highest Observation: 14.13 ft at 9:45PM Dec 01, 2016Observed: 13.62 ft at 10:00PM Dec 01, 2016Observed: 13.93 ft at 10:15PM Dec 01, 2016Observed: 13.85 ft at 10:30PM Dec 01, 2016Observed: 13.91 ft at 10:45PM Dec 01, 2016Observed: 13.91 ft at 11:00PM Dec 01, 2016Observed: 13.86 ft at 11:15PM Dec 01, 2016Observed: 13.86 ft at 11:30PM Dec 01, 2016Observed: 13.81 ft at 11:45PM Dec 01, 2016Observed: 13.87 ft at 12:00AM Dec 02, 2016Observed: 13.85 ft at 12:15AM Dec 02, 2016Observed: 13.84 ft at 12:30AM Dec 02, 2016Observed: 13.84 ft at 12:45AM Dec 02, 2016Observed: 13.87 ft at 1:00AM Dec 02, 2016Observed: 13.83 ft at 1:15AM Dec 02, 2016Observed: 13.81 ft at 1:30AM Dec 02, 2016Observed: 13.8 ft at 1:45AM Dec 02, 2016Observed: 13.76 ft at 2:00AM Dec 02, 2016Observed: 13.78 ft at 2:15AM Dec 02, 2016Observed: 13.81 ft at 2:30AM Dec 02, 2016Observed: 13.77 ft at 2:45AM Dec 02, 2016Observed: 13.75 ft at 3:00AM Dec 02, 2016Observed: 13.85 ft at 3:15AM Dec 02, 2016Observed: 13.65 ft at 3:30AM Dec 02, 2016Observed: 13.78 ft at 3:45AM Dec 02, 2016Observed: 13.8 ft at 4:00AM Dec 02, 2016Observed: 13.77 ft at 4:15AM Dec 02, 2016Observed: 13.79 ft at 4:30AM Dec 02, 2016Observed: 13.81 ft at 4:45AM Dec 02, 2016Observed: 13.72 ft at 5:00AM Dec 02, 2016Observed: 13.8 ft at 5:15AM Dec 02, 2016Observed: 13.73 ft at 5:30AM Dec 02, 2016Observed: 13.73 ft at 5:45AM Dec 02, 2016Observed: 13.7 ft at 6:00AM Dec 02, 2016Observed: 13.7 ft at 6:15AM Dec 02, 2016Observed: 13.67 ft at 6:30AM Dec 02, 2016Observed: 13.69 ft at 6:45AM Dec 02, 2016Observed: 13.68 ft at 7:00AM Dec 02, 2016Observed: 13.69 ft at 7:15AM Dec 02, 2016Observed: 13.7 ft at 7:30AM Dec 02, 2016Observed: 13.74 ft at 7:45AM Dec 02, 2016Observed: 13.68 ft at 8:00AM Dec 02, 2016Observed: 13.63 ft at 8:15AM Dec 02, 2016Observed: 13.68 ft at 8:30AM Dec 02, 2016Observed: 13.69 ft at 8:45AM Dec 02, 2016Observed: 13.69 ft at 9:00AM Dec 02, 2016Observed: 13.68 ft at 9:15AM Dec 02, 2016Observed: 13.76 ft at 9:30AM Dec 02, 2016Observed: 13.74 ft at 9:45AM Dec 02, 2016Observed: 13.69 ft at 10:15AM Dec 02, 2016Observed: 13.69 ft at 10:45AM Dec 02, 2016Observed: 13.81 ft at 11:00AM Dec 02, 2016Observed: 13.83 ft at 11:15AM Dec 02, 2016Observed: 13.8 ft at 11:30AM Dec 02, 2016Observed: 13.69 ft at 11:45AM Dec 02, 2016Observed: 13.73 ft at 12:00PM Dec 02, 2016Observed: 13.74 ft at 12:15PM Dec 02, 2016Observed: 13.73 ft at 12:30PM Dec 02, 2016Observed: 13.7 ft at 12:45PM Dec 02, 2016Observed: 13.73 ft at 1:00PM Dec 02, 2016Observed: 13.76 ft at 1:15PM Dec 02, 2016Observed: 13.76 ft at 1:30PM Dec 02, 2016Observed: 13.73 ft at 1:45PM Dec 02, 2016Observed: 13.69 ft at 2:00PM Dec 02, 2016Observed: 13.74 ft at 2:15PM Dec 02, 2016Observed: 13.64 ft at 2:30PM Dec 02, 2016Observed: 13.72 ft at 2:45PM Dec 02, 2016Observed: 13.76 ft at 3:00PM Dec 02, 2016Observed: 13.72 ft at 3:15PM Dec 02, 2016Observed: 13.78 ft at 3:30PM Dec 02, 2016Observed: 13.77 ft at 3:45PM Dec 02, 2016Observed: 13.7 ft at 4:00PM Dec 02, 2016Observed: 13.82 ft at 4:15PM Dec 02, 2016Observed: 13.8 ft at 4:30PM Dec 02, 2016Observed: 13.82 ft at 4:45PM Dec 02, 2016Observed: 13.76 ft at 5:00PM Dec 02, 2016Observed: 13.82 ft at 5:15PM Dec 02, 2016Observed: 13.88 ft at 5:30PM Dec 02, 2016Observed: 13.75 ft at 5:45PM Dec 02, 2016Observed: 13.7 ft at 6:00PM Dec 02, 2016Observed: 13.75 ft at 6:15PM Dec 02, 2016Observed: 13.71 ft at 6:30PM Dec 02, 2016Observed: 13.77 ft at 6:45PM Dec 02, 2016Observed: 13.72 ft at 7:00PM Dec 02, 2016Observed: 13.78 ft at 7:15PM Dec 02, 2016Observed: 13.72 ft at 7:30PM Dec 02, 2016Observed: 13.73 ft at 7:45PM Dec 02, 2016Observed: 13.68 ft at 8:00PM Dec 02, 2016Observed: 13.66 ft at 8:15PM Dec 02, 2016Observed: 13.68 ft at 8:30PM Dec 02, 2016Observed: 13.69 ft at 8:45PM Dec 02, 2016Observed: 13.69 ft at 9:00PM Dec 02, 2016Observed: 13.67 ft at 9:15PM Dec 02, 2016Observed: 13.71 ft at 9:30PM Dec 02, 2016Observed: 13.73 ft at 9:45PM Dec 02, 2016Observed: 13.69 ft at 10:00PM Dec 02, 2016Observed: 13.67 ft at 10:15PM Dec 02, 2016Observed: 13.63 ft at 10:30PM Dec 02, 2016Observed: 13.6 ft at 10:45PM Dec 02, 2016Observed: 13.54 ft at 11:00PM Dec 02, 2016Observed: 13.51 ft at 11:15PM Dec 02, 2016Observed: 13.56 ft at 11:30PM Dec 02, 2016Observed: 13.55 ft at 11:45PM Dec 02, 2016Observed: 13.47 ft at 12:00AM Dec 03, 2016Observed: 13.4 ft at 12:15AM Dec 03, 2016Observed: 13.43 ft at 12:30AM Dec 03, 2016Observed: 13.5 ft at 12:45AM Dec 03, 2016Observed: 13.5 ft at 1:00AM Dec 03, 2016Observed: 13.48 ft at 1:15AM Dec 03, 2016Observed: 13.47 ft at 1:30AM Dec 03, 2016Observed: 13.48 ft at 1:45AM Dec 03, 2016Observed: 13.48 ft at 2:00AM Dec 03, 2016Observed: 13.44 ft at 2:15AM Dec 03, 2016Observed: 13.48 ft at 2:30AM Dec 03, 2016Observed: 13.46 ft at 2:45AM Dec 03, 2016Observed: 13.45 ft at 3:00AM Dec 03, 2016Observed: 13.4 ft at 3:15AM Dec 03, 2016Observed: 13.45 ft at 3:30AM Dec 03, 2016Observed: 13.42 ft at 3:45AM Dec 03, 2016Observed: 13.42 ft at 4:00AM Dec 03, 2016Observed: 13.4 ft at 4:15AM Dec 03, 2016Observed: 13.36 ft at 4:30AM Dec 03, 2016Observed: 13.4 ft at 4:45AM Dec 03, 2016Observed: 13.41 ft at 5:00AM Dec 03, 2016Observed: 13.42 ft at 5:15AM Dec 03, 2016Observed: 13.38 ft at 5:30AM Dec 03, 2016Observed: 13.35 ft at 5:45AM Dec 03, 2016Observed: 13.4 ft at 6:00AM Dec 03, 2016Observed: 13.32 ft at 6:15AM Dec 03, 2016Observed: 13.31 ft at 6:30AM Dec 03, 2016Observed: 13.35 ft at 6:45AM Dec 03, 2016Observed: 13.35 ft at 7:00AM Dec 03, 2016Observed: 13.44 ft at 7:15AM Dec 03, 2016Observed: 13.25 ft at 7:30AM Dec 03, 2016Observed: 13.37 ft at 7:45AM Dec 03, 2016Observed: 13.28 ft at 8:00AM Dec 03, 2016Observed: 13.33 ft at 8:15AM Dec 03, 2016Observed: 13.35 ft at 8:30AM Dec 03, 2016Observed: 13.44 ft at 8:45AM Dec 03, 2016Observed: 13.44 ft at 9:00AM Dec 03, 2016Observed: 13.34 ft at 9:15AM Dec 03, 2016Observed: 13.37 ft at 9:30AM Dec 03, 2016Observed: 13.36 ft at 9:45AM Dec 03, 2016Forecast: 13.4 ft 1:00PM Dec 03, 2016Forecast: 13.6 ft 7:00PM Dec 03, 2016Highest Forecast: 13.7 ft 1:00AM Dec 04, 2016Highest Forecast: 13.7 ft 7:00AM Dec 04, 2016Highest Forecast: 13.7 ft 1:00PM Dec 04, 2016Forecast: 13.6 ft 7:00PM Dec 04, 2016Forecast: 13.6 ft 1:00AM Dec 05, 2016Forecast: 13.5 ft 7:00AM Dec 05, 2016Forecast: 13.3 ft 1:00PM Dec 05, 2016Forecast: 13.3 ft 7:00PM Dec 05, 2016Forecast: 13.4 ft 1:00AM Dec 06, 2016Forecast: 13.4 ft 7:00AM Dec 06, 2016Forecast: 13.2 ft 1:00PM Dec 06, 2016Forecast: 13.2 ft 7:00PM Dec 06, 2016Forecast: 13.3 ft 1:00AM Dec 07, 2016Forecast: 13.3 ft 7:00AM Dec 07, 2016Forecast: 13.1 ft 1:00PM Dec 07, 2016Forecast: 13 ft 7:00PM Dec 07, 2016Forecast: 13 ft 1:00AM Dec 08, 2016Forecast: 13 ft 7:00AM Dec 08, 2016USGS--Water Resources of the United StatesMGYP1(plotting HTIRG) Graph Created (10:32AM Dec 3, 2016)ObservedForecast (issued 9:07AM Dec 3)Latest observed value: 13.36 ft at 9:45 AM EST 3-Dec-2016. Flood Stage is 33 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: 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.

NOTE: Forecasts for the Ohio River at Montgomery Lock and Dam are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Dashields Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Wellsville
Flood Categories (in feet)
Major Flood Stage: 38
Moderate Flood Stage: 36
Flood Stage: 33
Action Stage: 23.3
Low Stage (in feet): 0

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 01/19/1996
(5) 43.00 ft on 10/17/1954
(6) 42.00 ft on 03/11/1966
(7) 41.30 ft on 01/23/1959
(8) 41.00 ft on 09/19/2004
(9) 40.50 ft on 01/28/1952
(10) 37.70 ft on 12/05/1950
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.20 ft on 03/24/2007
(2) 28.30 ft on 03/16/2007
(3) 36.90 ft on 01/07/2005
(4) 41.00 ft on 09/19/2004
(5) 27.80 ft on 09/10/2004
(6) 43.00 ft on 01/19/1996
(7) 31.20 ft on 01/01/1991
(8) 43.10 ft on 06/24/1972
(9) 42.00 ft on 03/11/1966
(10) 35.60 ft on 02/14/1966
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 9.01 ft on 09/25/1950
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
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.
About This Location Collapse

Latitude: 40.647222° N, Longitude: 80.388889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 33 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 652.52 ft 685.52 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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.
NWS Information
National Weather Service
Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
Ask Questions/Webmaster
Page last modified: 13-Aug-2015 1:57 AM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities