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This probabilistic forecast is issued by the Ohio River Forecast Center.
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About this graph
Forecasts for the Clarion River at Ridgway are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Johnsonburg Upstream Gauge Downstream Gauge Downstream Gauge - near Cooksburg
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 18
Flood Stage: 16
Action Stage: 11
Low Stage (in feet): 0

Historic Crests
(1) 23.10 ft on 07/19/1964
(2) 21.67 ft on 05/21/2014
(3) 20.27 ft on 01/19/1996
(4) 19.50 ft on 06/23/1972
(5) 19.21 ft on 12/01/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.73 ft on 06/21/2019
(2) 21.67 ft on 05/21/2014
(3) 19.21 ft on 12/01/2010
(4) 16.89 ft on 09/18/2004
(5) 20.27 ft on 01/19/1996
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.51 ft on 08/17/1949
(2) 0.55 ft on 11/07/1951
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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
24 Record flooding is expected on the clarion river in the vicinity of Ridgway. Water levels are expected to exceed those experienced in July 1964.
22 Widespread flooding occurs along the right, or west bank. The left bank overflows and affects the sewage treatment plant.
20 The entire area along the right, or west bank is inundated. Numerous homes and businesses are affected by high water. Route 948 is closed due to flooding at several locations.
18 Homes on the right, or west bank above the highway bridge are affected by high water levels.
16 The right, or west bank overflows, affecting low lying areas.

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
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Page last modified: 2-Nov-2020 7:30 PM
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