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Clarion River River Levels

Last Updated: December 16, 2025

The Clarion River is a 110-mile-long river located in western Pennsylvania, United States.


Summary

Total streamflow across the Clarion River was last observed at 150 cfs, and is expected to yield approximately 298 acre-ft of water today; about 7% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 2,177 cfs, with recent peaks last observed on 2014-05-22 when daily discharge volume was observed at 76,850 cfs.

Maximum discharge along the river is currently at the Clarion River At Cooksburg reporting a streamflow rate of 190 cfs. This is also the highest stage along the Clarion River, with a gauge stage of 3.48 ft at this location. This river is monitored from 4 different streamgauging stations along the Clarion River, the highest being situated at an altitude of 1,426 ft, the Clarion River At Johnsonburg.

River Details

Last Updated 2025-12-16
Discharge Volume 298 ACRE-FT
Streamflow 150.0 cfs
+16.0 cfs (+11.94%)
Percent of Normal 6.89%
Maximum 76,850.0 cfs
2014-05-22
Seasonal Avg 2,177 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Clarion River At Johnsonburg
USGS 03028500
146 cfs 1.82 ft 57.84
Clarion River At Ridgway
USGS 03029000
150 cfs 3.14 ft 11.94
Clarion River At Cooksburg
USGS 03029500
190 cfs 3.48 ft -53.66
Clarion River Near Piney
USGS 03030500
50 cfs 1.62 ft 11.94
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Clarion River is a tributary of the Allegheny River, approximately 110 mi (177 km) long, in west central Pennsylvania in the United States. It drains a rugged area of the Allegheny Plateau in the Ohio River watershed, flowing through narrow serpentine valleys and hardwood forests.