Clarion River River Levels

Last Updated: December 4, 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 1,091 cfs, and is expected to yield approximately 2,164 acre-ft of water today; about 34% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 3,178 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 663 cfs. However, the streamgauge with the highest stage along the river is the Clarion River At Ridgway with a gauge stage of 3.36 ft. 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 2025-12-04
Discharge Volume 2,164 ACRE-FT
Streamflow 1,091.0 cfs
-114.0 cfs (-9.46%)
Percent of Normal 34.33%
Maximum 76,850.0 cfs
2014-05-22
Seasonal Avg 3,178 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Clarion River At Johnsonburg
USGS 03028500
173 cfs 1.93 ft -8.47
Clarion River At Ridgway
USGS 03029000
255 cfs 3.36 ft -9.57
Clarion River At Cooksburg
USGS 03029500
663 cfs 2.94 ft -9.67
Clarion River Near Piney
USGS 03030500
54 cfs 1.65 ft 2.66
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.