Skip Navigation Link  
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
Navigation Bar End Cap


This probabilistic forecast is issued by the Ohio River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Allegheny River at Eldred are issued routinely year-round.
Return to Area Map

Downstream Gauge Downstream Gauge - at Olean
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 25
Flood Stage: 23
Action Stage: 17
Low Stage (in feet): 0

Historic Crests
(1) 29.10 ft on 06/23/1972
(2) 27.30 ft on 07/19/1942
(3) 21.89 ft on 01/20/1996
(4) 20.60 ft on 03/09/1956
(5) 20.10 ft on 06/23/1959
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.89 ft on 01/20/1996
(2) 19.60 ft on 06/22/1989
(3) 18.70 ft on 02/16/1984
(4) 18.40 ft on 02/21/1981
(5) 18.10 ft on 02/19/1976
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.27 ft on 09/29/1959
KML Image
Gauge LocationGauge Map Marker
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
31 This is the approximate height of the levee system. Widespread flooding continues in areas outside the levee. Inside the levee, low lying areas are affected.
29 Widespread flooding occurs in areas outside the levee system.
27 Low lying areas outside the levee system experience considerable inundation.
25 Areas outside the levee system experience considerable inundation.
23 Water level reaches the railroad grade where it passes through the levee. Stop logs are installed to complete the levee closure.
21 A portion of Route 346 is closed due to high water.
19 Water covers a portion of Route 346 north of town.
17 Due to high water levels, river interests are encouraged to monitor conditions.
(1) Downstream. 9/12/2022 stage 3.0'
(2) Gagehouse 9/12/2022
(3) Upstream. 9/12/2022 stage 3.0'

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
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) 7 Day (NAEFS) 7 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.

Click individual graphics to enlarge.

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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM
Privacy Policy
About Us
Career Opportunities