Kaskaskia River at New Athens, IL

St. Clair County, Illinois · USGS gauge 05595000 · NWS NASI2 · Kaskaskia River flood status · Illinois river levels

Is Kaskaskia River at New Athens, IL flooding right now?

Kaskaskia River at New Athens, IL measured 68.58 ft on 2026-09-22 21:00:00 UTC. That observation was 10.4 ft below its 79 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
68.58 ft
as of 34 min ago
Streamflow
519 cfs
data refreshed 3 min ago

Minor flooding here begins at 79 ft, with major flooding at 85 ft. The highest crest on record was 95.63 ft on Sat, Jan 2, 2016.

Flood stages at this gauge

CategoryStageCurrent distance
Action77 ft8.4 ft below
Minor flood79 ft10.4 ft below
Moderate flood82 ft13.4 ft below
Major flood85 ft16.4 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
95.63 ft2016-01-02
93.21 ft2017-05-06
92.27 ft2019-06-10
90.33 ft2011-04-29
89.61 ft2013-06-06

Last 7 days

Past 7 days · 68.45–68.75 ft

Nearby gauges

GaugeDistanceCounty
Richland Creek near Hecker, IL4.5 miSt. Clair County
Silver Creek near Freeburg, IL6.0 miSt. Clair County
Kaskaskia River near Red Bud, IL9.0 miRandolph County
Silver Creek at Route 161 near Mascoutah, IL14.6 miSt. Clair County
Kaskaskia River near Venedy Station, IL16.8 miWashington 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