Clarion River River Levels

Last Updated: March 25, 2026

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 4,699 cfs, and is expected to yield approximately 9,320 acre-ft of water today; about 137% of normal. River levels are high. Average streamflow for this time of year is 3,429 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 2,220 cfs. This is also the highest stage along the Clarion River, with a gauge stage of 4.77 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.




15-Day Weather Outlook


River Details

Last Updated 2026-03-25
Discharge Volume 9,320 ACRE-FT
Streamflow 4,699.0 cfs
-2434.0 cfs (-34.12%)
Percent of Normal 137.05%
Maximum 76,850.0 cfs
2014-05-22
Seasonal Avg 3,429 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Clarion River At Johnsonburg
USGS 03028500
331 cfs 2.43 ft -9.56
Clarion River At Ridgway
USGS 03029000
658 cfs 4.04 ft -15.32
Clarion River At Cooksburg
USGS 03029500
2220 cfs 4.77 ft -21.28
Clarion River Near Piney
USGS 03030500
1490 cfs 4.39 ft -53
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.