Clarion River at Johnsonburg, PA

Elk County, Pennsylvania · USGS gauge 03028500 · NWS JHNP1 · Clarion River flood status · Pennsylvania river levels

Nearby: river levels near Ridgway

Is Clarion River at Johnsonburg, PA flooding right now?

Clarion River at Johnsonburg, PA measured 2.44 ft on 2026-09-11 00:45:00 UTC. That observation was 4.6 ft below its 7 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
2.44 ft
as of 85 min ago
Streamflow
334 cfs
data refreshed 8 min ago

Minor flooding here begins at 7 ft, with major flooding at 10 ft. The highest crest on record was 16.7 ft on Wed, Jul 1, 1942.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action5 ft2.6 ft below
Minor flood7 ft4.6 ft below
Moderate flood9 ft6.6 ft below
Major flood10 ft7.6 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
16.7 ft1942-07-01
12.60000038146973 ft1996-01-19
9.99 ft1972-06-22
9.86 ft1989-06-20
9.72 ft2010-12-01

Last 7 days

Past 7 days · 2.25–3.45 ft

Nearby gauges

GaugeDistanceCounty
Elk Creek at Ridgway, PA4.9 miElk County
Clarion River at Ridgway, PA5.4 miElk County
West Branch Clarion River at Wilcox, PA6.2 miElk County
EB Clarion River at EB Clarion River Dam, PA6.3 miElk County
Weir 1 at East Branch Clarion River Dam, PA6.4 miElk County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast