Fox River at Dayton, IL

LaSalle County, Illinois · USGS gauge 05552500 · NWS DAYI2 · Fox River flood status · Illinois river levels

Is Fox River at Dayton, IL flooding right now?

Fox River at Dayton, IL measured 10.31 ft on 2026-09-22 20:45:00 UTC. That observation was 1.7 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
10.31 ft
as of 62 min ago
Streamflow
7,340 cfs
data refreshed 16 min ago

Minor flooding here begins at 12 ft, with major flooding at 24 ft. The highest crest on record was 36.47 ft on Mon, Jan 25, 1960.

Flood forecast

flood stage 12 ft

NWS forecast, issued 7 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action11 ft0.7 ft below
Minor flood12 ft1.7 ft below
Moderate flood14 ft3.7 ft below
Major flood24 ft13.7 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
36.47 ft1960-01-25
32.04 ft1952-01-30
32 ft1973-01-10
24.63 ft1954-10-11
24.47 ft1996-07-19

Nearby gauges

GaugeDistanceCounty
Illinois River at Marseilles, IL5.4 miLaSalle County
Illinois River at Seneca, IL10.8 miLaSalle County
Vermilion River near Leonore, IL14.2 miLaSalle County
Hanson Gravel Pit at Culvert near Morris, IL17.0 miGrundy County
Illinois River at Morris, IL18.8 miGrundy 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