Clarion River River Levels

Last Updated: December 15, 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 134 cfs, and is expected to yield approximately 266 acre-ft of water today; about 6% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 2,406 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 3.99 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 2025-12-15
Discharge Volume 266 ACRE-FT
Streamflow 134.0 cfs
-42.0 cfs (-23.86%)
Percent of Normal 5.57%
Maximum 76,850.0 cfs
2014-05-22
Seasonal Avg 2,406 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 1.71 ft 57.84
Clarion River At Ridgway
USGS 03029000
134 cfs 3.1 ft -23.86
Clarion River At Cooksburg
USGS 03029500
190 cfs 3.99 ft -53.66
Clarion River Near Piney
USGS 03030500
44 cfs 1.58 ft -10.66
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.